Work Plan for Disinfection of Epidemic Situation 1 When patients with positive nucleic acid test are transported to designated treatment hospitals or centralized isolated medical observation places, terminal disinfection should be carried out in rural areas (communities) where patients have been active and articles they have contacted.
First, the pollutants and contaminated articles discharged at any time should be disinfected at any time to achieve "three separation" and "six disinfection"
"Three separation" includes the separation of patients' living room, diet and daily necessities;
"Six disinfection" includes the patient's secretions or excreta, household appliances, hands, clothes and sheets, and the environment and domestic sewage in the artifacts.
Second, the disinfection work procedures
(a) wear personal protective equipment in accordance with the regulations, observe the scene, and delimit the polluted area and clean area;
(2) measure the area and volume to be disinfected, calculate the dosage of disinfectant, and prepare disinfectant;
(3) disinfect a channel first, and then enter the room for sampling before disinfection, including air and surface samples of objects;
(4) Disinfect the surface of indoor environment objects and air with quantitative sprayer and ultra-low volume sprayer respectively; The disinfection sequence is from outside to inside, from top to bottom, from left to right, from mild pollution to severe pollution, and then the sealing effect is greater than 1 hour. The key points of disinfection are doors, floors, furniture, walls and pollutants.
(5) Wear personal protective equipment according to regulations after disinfection, and conduct air and object surface sampling again.
(6) Take off personal protective equipment according to the principle of pollution prevention.
Third, disinfection methods
(1) Indoor air. Under unmanned conditions, after closing doors and windows, use disinfectants such as 500mg/L chlorine dioxide, 3% hydrogen peroxide or 5000mg/L peracetic acid, and use ultra-low capacity sprayers for air disinfection according to the dosage of 20mL/m3~30mL/m3. The reaction time of hydrogen peroxide and chlorine dioxide is 30 minutes to 60 minutes, and the peracetic acid is 1 hour. After disinfection, open the doors and windows and ventilate thoroughly.
(2) the surface of environmental objects. When there are pollutants visible to the naked eye, the pollutants should be thoroughly removed before disinfection. When there are no visible pollutants, use available chlorine 1000mg/L chlorine-containing disinfectant or 500mg/L chlorine dioxide disinfectant to spray, wipe or soak for disinfection, and clean with clean water after 30 minutes.
(3) floors and walls. When there are pollutants visible to the naked eye, the pollutants should be thoroughly removed before disinfection. When there are no visible pollutants, available chlorine 1000mg/L chlorine-containing disinfectant or 500mg/L chlorine dioxide disinfectant can be wiped or sprayed for disinfection. Ground disinfection is sprayed once from outside to inside, and the spraying amount is 100 ml/㎡ ~ 300 ml/㎡. After indoor disinfection, spray it again from the inside out. Disinfection time should be not less than 30 minutes.
(4) textiles such as clothing and bedding. Aerosol should be avoided in the collection process, and it is recommended to treat all of them as medical waste. When there is no visible pollutant, if it needs to be reused, it can be disinfected by circulating steam or boiling for 30 minutes; Or soak in chlorine-containing disinfectant with available chlorine of 500mg/L for 30 minutes, and then clean as usual; Or put it into a water-soluble packaging bag and put it directly into a washing machine, and wash and disinfect it for 30 minutes at the same time, keeping the available chlorine content at 500 mg/L; Valuable clothes can be disinfected by ethylene oxide method.
(5) skin and mucosa. When the skin is polluted by pollutants, the pollutants should be removed immediately, and then the disposable absorbent material dipped in 0.5% iodophor or hydrogen peroxide disinfectant should be wiped and disinfected for more than 3 minutes, and then cleaned with clean water; Mucosa should be washed and disinfected with plenty of normal saline or 0.05% iodophor.
(6) Dining (drinking) utensils. Soak in chlorine-containing disinfectant with effective chlorine of 500mg/L for 30 minutes, and then wash with clear water.
(seven) pollutants (blood, secretions and vomit). A small amount of pollutants can be carefully removed by disposable absorbent materials (such as gauze and rag) with available chlorine of 5000mg/L ~ 10000mg/L and chlorine-containing disinfectants (or disinfectant wipes/dry towels that can achieve high-level disinfection) ... A large number of pollutants should be completely covered with disinfectant powder or bleaching powder containing water-absorbing components, or after being completely covered with disposable absorbent materials, Pour enough chlorine-containing disinfectant with effective chlorine of 5000 mg/L ~ 10000 mg/L on the absorbent material for more than 30 minutes (or a dry towel with high disinfection level) and carefully remove it. Avoid contact with pollutants in the cleaning process, and the pollutants after cleaning should be disposed of centrally according to medical waste. The patient's secretion and vomit should be collected in a special container, and soaked and disinfected with chlorine-containing disinfectant with available chlorine of 20000mg/L for 2 hours according to the ratio of substance to drug 1:2.
After removing pollutants, the surface of polluted environmental objects should be disinfected. Containers containing pollutants can be soaked in chlorine-containing disinfectant with available chlorine of 5000mg/L for 30 minutes, and then cleaned.
(8) Feces and sewage. When there is an independent septic tank, it needs to be disinfected before entering the municipal drainage pipe network. Chlorine disinfectant should be added regularly. Chlorine-containing disinfectant should be added to the tank (the first available chlorine is more than 40mg/L), and the total residual chlorine should reach 10mg/L after disinfection for 5 hours. The disinfected sewage shall conform to the Discharge Standard of Water Pollutants for Medical Institutions (GB 18466-2005).
When there is no separate septic tank, use a special container to collect excreta and discharge it after disinfection. Dilute feces: add 25g of bleaching powder to each liter of feces, stir and stand for 2 hours, or add 20g/L of 1L effective chlorine disinfectant to each liter of feces, and act for 2 hours after mixing. Molded feces: Add 2L of effective chlorine disinfectant with a concentration of 50g/L to each kilogram of feces, mix well, act for 2 hours, or concentrate on harmless treatment.
(9) Domestic garbage of patients. The patient's domestic waste is treated as medical waste. Disposal should follow the requirements of the Regulations on the Management of Medical Wastes and the Measures for the Management of Medical Wastes in Medical and Health Institutions, standardize the use of double-layer yellow medical waste collection bags, and dispose of them according to the conventional disposal process after packaging.
(10) mode of transportation and transshipment. The pollution situation should be evaluated first. When vehicles and other vehicles have visible pollutants, disposable water-absorbing materials should be used to soak chlorine-containing disinfectants with available chlorine of 5000 mg/L ~ 1000mg/L (or disinfectant wet wipes/dry towels that can reach a high disinfection level), and then soak chlorine-containing disinfectants with available chlorine 1000mg/L or chlorine dioxide disinfectants of 500 mg/L to completely remove pollutants.
Fourth, personal protection.
(1) Requirements for wearing protective equipment
1. disinfectant. Disinfection personnel should adopt secondary protection and wear KN95/N95 particle protective mask or medical protective mask, protective clothing, long-sleeved rubber gloves, long rubber shoes and goggles.
2. Evaluator. The appraisers adopt secondary protection and wear KN95/N95 particulate protective masks or medical protective masks, protective clothing, disposable gloves (double layers), shoe covers and goggles.
(2) Hand hygiene
Relevant staff should strengthen hand hygiene measures, wash their hands frequently according to the seven-step washing method, and wash their hands with running water for not less than 15 seconds each time. If necessary, you can choose an alcohol-containing quick-drying hand disinfectant or an alcohol-compounded quick-drying hand disinfectant, or you can directly wipe and disinfect with 75% ethanol; Those who are allergic to alcohol can choose effective non-alcoholic hand disinfectants such as quaternary ammonium salts; Under special circumstances, you can also use 3% hydrogen peroxide disinfectant and 0.5% iodophor to wipe your hands.
Evaluation of verb (abbreviation of verb) disinfection work
(A) evaluation of disinfection process
1. Evaluation content
(1) Disinfection object: name, cleanliness, disposal area or volume;
(2) Disinfectant: name, active ingredient content, product expiration date and configuration ratio;
(3) Disinfection: disinfection factor, concentration or intensity, duration/minute, disinfection mode, disinfection frequency and dosage.
2. Evaluation method
Professionals evaluate the disinfection process in real time on site.
(2) Evaluation of disinfection effect
1. sampling. Take the village or community as a unit, and sample according to the proportion of 10% patients, with at least 5 households and less than 5 households.
2. Evaluate the sampling method. Five surface samples, such as floor, wall, door handle, desktop, tableware, clothes or sheets, were selected before and after disinfection (the samples must be consistent before and after disinfection); At the same time, air samples before and after disinfection must be collected (if the patient's area is not more than 30m2, three diagonal points, namely, inside, middle and outside, should be located at a distance of 1 m from the wall; More than 30㎡, set four corners and five points in the center, and the distribution position of the four corners should be 1 m away from the wall; The sampling height is 0.8 ~ 1.5m above the ground).
3. Effect evaluation. Sampling samples shall be tested in P2 laboratory. The inspection standard requires that the extinction rate of natural bacteria should not be lower than 90% after air and surface disinfection.
The extinction rate of natural bacteria is calculated according to the following formula:
Death rate of natural bacteria = (total number of bacteria before disinfection-total number of bacteria after disinfection)/total number of bacteria before disinfection × 100%
Relevant requirements of intransitive verbs
(a) accurately grasp the concentration of disinfection drugs, strict disinfection procedures, standardize the work.
(2) Pay attention to standard operation when sampling disinfection effect, and do a good job of harmless treatment of samples and related wastes in strict accordance with biosafety requirements.
(3) Do personal protection according to the specifications.
Epidemic disinfection work plan 2 I. Personal protection requirements of isolation points
(a) centralized observation point management personnel should wear disposable hats, medical surgical masks, work clothes, disposable gloves, and keep a distance of 65438 plus or minus 0 meters from the isolated object. Wear N95 mask when transporting patients or in close contact with barriers due to other work.
(2) When investigating close contacts, epidemiological investigators should wear disposable working caps, medical surgical masks, work clothes and disposable gloves, and keep a distance of 1 m or more from the respondents. When investigating suspected, confirmed cases and asymptomatic infected persons, it is recommended to wear overalls, disposable working caps, disposable gloves, protective clothing, KN95/N95 or above particulate protective masks or medical protective masks, protective screens or goggles, work shoes or rubber boots, waterproof shoe covers, etc.
(3) Specimen collector. It is recommended to wear overalls, disposable working caps, double gloves, protective clothing, KN95/N95 or above particulate protective masks or medical protective masks, protective masks, goggles, work shoes or rubber boots and waterproof boots. Wear a waterproof apron or waterproof isolation gown if necessary.
(four) cleaning or disinfection personnel in the preparation of disinfectant, should wear work clothes, disposable hats, disposable gloves and long-sleeved thick rubber gloves, protective clothing, medical protective gloves, goggles or protective masks.
(5) All staff should pay attention to hand washing and disinfection after work.
Second, the isolation point disinfection work requirements
(a) medical personnel in temperature measurement, medical examination, disinfection, delivery of goods in accordance with the secondary protection standards, strict personal protection, wearing N95 masks, hats, shoe covers, work clothes, isolation gown, etc.
(2) Under the closed doors and windows, the isolation room is disinfected by aerosol spray with 0.2% peracetic acid or chlorine dioxide solution with chlorine dioxide content of 500mg/L every day, and the dosage is 10ml/m3. After sealing for 60 minutes, the window is opened for ventilation.
(3) Each room shall be provided with trash cans in the bathroom and living area, and the partitions shall be covered with medical waste packaging bags. Every time the garbage is cleaned, the mouth of the medical waste packaging bag is sealed tightly and placed at the door of the room, which is cleaned by the staff.
(four) when cleaning up the waste, the staff should wear medical surgical masks, disposable isolation gown, disposable gloves and other protective equipment. If it is found that the medical waste packaging bag is not tightly sealed or damaged, the pre-prepared chlorine-containing disinfectant 1000mg/L should be sprayed at the sealing place or damaged place, and a layer of medical waste packaging bag should be added to seal it.
(5) Disposable protective articles shall be treated as medical wastes. After each disinfection, put it into a special bag for medical waste, tie the bag tightly, and put it into a garbage can for medical waste. After the collection, the staff should do a good job of personal cleaning and disinfect their hands with alcohol-based quick-drying hand washing disinfectant.
(6) Sanitary appliances such as mops and rags should be used for different rooms. After use, soak in chlorine-containing disinfectant 1000mg/L for disinfection, rinse with clean water after 30 minutes, and dry and store.
(7) Disinfect the surfaces of articles, furniture and other surfaces that may be contaminated twice a day, and disinfect them at any time when they are contaminated by saliva or sputum. When disinfecting, use available chlorine 500mg/L, 1000mg/L chlorine-containing disinfectant, 75% alcohol or other disinfectants that can be used for surface disinfection to wipe and disinfect, and then wash with water after 30 minutes.
(eight) the ground and the surface of the wall that may be polluted shall be wiped or sprayed with 1000mg/L chlorine-containing disinfectant, and the disinfection time shall not be less than 30 minutes.
(nine) the prevention and control disinfection group is responsible for the daily disinfection of the isolation point and the terminal disinfection after the isolation is lifted. Strengthen the ventilation of public areas, clean the environment, and disinfect the ground, door handles, stairs, aisles, elevator buttons and other places, public toilets and garbage cans every day.
(ten) to strengthen the management of food hygiene and safety in isolated medical observation points, and do a good job in ensuring life. Tableware should be boiled for disinfection15min, or soaked in 250mg/L~500mg/L chlorine-containing disinfectant solution15min and then washed with clean water.
(eleven) in strict accordance with the standards to do a good job of medical waste disposal and disinfection of fecal sewage in isolated places, effectively reducing the risk of disease transmission. All the garbage in the isolated place is put into the yellow medical waste disposal bag, and it is collected regularly according to the requirements of medical waste every day. The garbage stored in the isolated place can be recycled every 2 ~ 3 days by the medical waste disposal unit according to the actual storage capacity, and the date, quantity and handover shall be signed by both parties.
(twelve) the toilet used by a single person in isolation is disinfected once a day. The urinal and its surroundings can be wiped and disinfected with 2000mg/L chlorine-containing disinfectant for 30 minutes. Toilet doorknobs, faucets, etc., which are often touched by hands, can be wiped and disinfected with chlorine-containing disinfectant with available chlorine of 500mg/L or other disinfectants that can be used for surface disinfection, and then cleaned with water after 30 minutes.
(13) feces and sewage. When there is an independent septic tank, it needs to be disinfected before entering the municipal drainage pipe network. Chlorine disinfectant should be added regularly. Chlorine-containing disinfectant should be added to the tank (the first available chlorine is more than 40mg/L), and the total residual chlorine should reach 10mg/L after disinfection for 5 hours. The disinfected sewage shall conform to the Discharge Standard of Water Pollutants for Medical Institutions (GB 18466—2005). When there is no independent pool, use special containers to collect excreta and discharge them after disinfection. Soak and disinfect for 2 hours with chlorine-containing disinfectant with available chlorine of 20000mg/L according to the ratio of manure to medicine 1:2; If there is a large amount of diluted excrement, bleaching powder containing 70%~80% available chlorine should be used, and the medicine should be added according to the ratio of feces to medicine of 20: 1, and then fully stirred and disinfected for 2 hours.
(14) During the isolation period, the isolated person turned into a confirmed case or asymptomatic infected person. After the case is transferred out, the terminal disinfection of isolation room shall refer to the Technical Scheme for Terminal Disinfection of Rural (Community) and Vehicles.
Work plan for disinfection of epidemic situation 3 I. Disinfection objectives
Hygienic protection of rural (community) sidewalks, activity rooms, outdoor fitness equipment and other public facilities, supermarkets, elevator rooms, elevator buttons, corridor handrails, public toilets, garbage collection points, drains, septic tanks (feces) and other places, including disinfection, ventilation, personal protection and other measures.
Second, disinfection tools and disinfectants
(1) disinfection tools
Constant electric sprayer, dispensing bucket, measuring cup, etc.
(2) disinfectant
Chlorine dioxide effervescent tablets, bleaching powder, bleaching powder essence or "84" disinfectant.
(3) Preparation and use of disinfectants
1. Effervescent tablets containing chlorine dioxide (1g/ tablet contains 8% available chlorine): 3 tablets are dissolved in 1 liter of water;
2.84 Disinfectant (available chlorine content 5%): diluted according to the ratio of disinfectant: water 1: 99;
3. Bleaching powder (calcium hypochlorite) contains available chlorine 25% ~ 32% (calculated as 25%), and bleaching powder essence (calcium hypochlorite) contains available chlorine 80% ~ 85% (calculated as 80%).
Third, personal protection.
First-class protection: hats, medical mouthparts, isolation gown, work clothes, latex gloves, boots, goggles and masks.
Fourth, disinfection methods
(1) The surface of the ground, walls, doors and windows, corridors, elevators and other public places: spray disinfection with chlorine dioxide disinfectant with 200-250mg/L available chlorine and "84" disinfectant with 500 mg/L available chlorine for 30 minutes.
(two) public garbage places (boxes, barrels). Spray or spray the garbage with chlorine-containing disinfectant of 200-250mg/L chlorine dioxide or 500-1000mg/L "84" disinfectant until it is completely wet.
(3) Public toilets: Please refer to the first item for disinfection methods of floors, walls, doors and windows and surfaces. The feces were soaked in chlorine-containing disinfectant with effective chlorine of 20000mg/L for 2 hours according to the ratio of feces to medicine 1: 2; If there is a large amount of diluted excrement, apply bleaching powder containing 70%-80% available chlorine, add medicine according to the ratio of excrement and medicine of 20: 1, and then fully stir and disinfect for 2 hours.
(4) Disinfection of environment and object surface: When there are pollutants visible to the naked eye, the pollutants should be thoroughly removed before disinfection. When there is no visible pollutant, it can be soaked, sprayed or wiped with 500mg/L~ 1000mg/L chlorine dioxide or available chlorine for at least 30 minutes.
Process evaluation of disinfection effect of verb (abbreviation of verb)
(A) the evaluation content
1. Disinfection object: name, cleanliness, disposal area or volume;
2. Disinfectant: name, active ingredient content, product expiration date and configuration ratio;
3. Disinfection effect: disinfection factor, concentration or intensity, action time/minute, disinfection mode, disinfection frequency and dosage.
(2) Evaluation method
Professionals evaluate the disinfection process in real time on site.
Matters needing attention about intransitive verbs
Chlorine-containing disinfectants are irritating to skin and mucous membranes. When preparing and using, it is recommended to wear masks and gloves, out of the reach of children.
Disinfection work plan for epidemic situation 4 I. Disinfection objectives
This technical scheme is suitable for the health protection of key places (schools, nurseries and nursing homes) that are normally used during the epidemic in COVID-19 and public places and workplaces where people often gather, including disinfection and ventilation.
Second, the workplace hygiene operation guide
(1) Cleaning and disinfection
1. Clean and disinfect the surface of the object. The environment should be kept clean and tidy, disinfected regularly every day, and records of cleaning and disinfection should be kept. High-frequency contact with the surface of objects (such as elevator buttons, handrails, door handles, etc.). ) Available chlorine-containing disinfectant containing 250 mg/L ~ 500 mg/L of available chlorine can be sprayed or wiped, or wiped with disinfectant wipes.
2. When people vomit, they should immediately cover and disinfect the vomit with disposable absorbent materials and sufficient disinfectants (such as chlorine-containing disinfectants) or effective sterilized dry towels, and then disinfect the surface of the object with quaternary ammonium salt disinfectants or chlorine-containing disinfectants after removing the vomit.
3. Strengthen the disinfection of tableware (drinking utensils). After tableware (drinking utensils) are cleaned, boil or circulate steam for disinfection 15 minutes; Or use thermal disinfection cabinets and other disinfection methods; Or soak in a solution with available chlorine content of 250mg/L for 30 minutes, and rinse off the residual disinfectant after disinfection.
4. Keep clothes, bedding, seat covers and other textiles clean, and clean and disinfect them regularly. It can be disinfected by circulating steam or boiling for 30 minutes, or soaked in 500mg/L chlorine-containing disinfectant for 30 minutes, and then cleaned routinely.
5. Sanitary ware can be soaked or wiped with chlorine-containing disinfectant with available chlorine content of 500mg/L, rinsed with clean water after 30 minutes, and dried for later use.
6. Suspected or confirmed cases should be disinfected under the guidance of professionals.
(2) Ventilation
Places should strengthen ventilation and maintain indoor air circulation. Natural ventilation is preferred, try to open doors and windows for ventilation, and mechanical ventilation can also be used. If air conditioning is used, the air supply safety of the air conditioning system should be ensured, and sufficient fresh air input should be ensured, and all exhaust air should be really discharged to the outside. When the air conditioner is not used, the return air duct should be closed.
(3) hand washing facilities
Ensure the normal operation of hand washing facilities in the workplace, and equip them with quick-drying hand disinfectant and inductive hand disinfection facilities when conditions permit.
(4) Garbage disposal
Strengthen the management of garbage classification and collect and clean it in time. Strengthen the cleaning and regular disinfection of garbage containers such as trash cans. Chlorine-containing disinfectant containing 250mg/L~500mg/L of available chlorine can be sprayed or wiped, and can also be wiped with disinfectant wipes.
(5) Establish an emergency area
Set up emergency areas in public places. When there are suspected or confirmed cases, go to the area for temporary isolation in time, and then deal with them according to other relevant specifications.
(6) Health education
In the prominent areas of the site, carry out prevention and control health education through video scrolling or posting posters.
Three. Personal protection guide
(1) Staff protection
1. Pay attention to personal protection. In crowded public places, it is recommended that staff wear medical surgical masks (or other higher-level masks). It is recommended to wear work clothes and keep them clean, and clean and disinfect them regularly. It can be disinfected by circulating steam or boiling for 30 minutes, or soaked in 500mg/L chlorine-containing disinfectant for 30 minutes, and then cleaned routinely. In case of suspected or confirmed cases, personal protection shall be carried out under the guidance of professionals.
2. Pay attention to hand hygiene. Hand hygiene measures should be strengthened, and employees should carry out hand hygiene at any time. Wash your hands or use quick-drying hand disinfectant. When there are visible pollutants, wash your hands with hand sanitizer under running water.
3. Pay attention to your physical condition. Pay attention to your physical condition during your employment. When you have symptoms such as fever and cough, you should go to the designated hospital for medical treatment in time according to the regulations, try to avoid taking public transportation such as buses and subways, and wear medical surgical masks (or other higher-level masks) throughout the hospital.
(2) Protection of floating personnel
1. Reduce aggregation. During the COVID-19 epidemic, people should avoid gathering, especially in places with poor air mobility, and reduce unnecessary going out. If you go out, you should do personal protection and hand hygiene. In crowded public places, it is recommended to wear medical masks.
2. Wash your hands frequently. Try to minimize contact with public goods and parts in public places, wash your hands with hand sanitizer or soap under flowing water after coming back from public places, coughing and covering your hands, and after eating and defecating, or use alcohol-based antibacterial hand sanitizer; Avoid touching your nose, mouth and eyes when you are not sure whether your hands are clean; When sneezing or coughing, cover your mouth and nose with elbow clothes. Reduce contact with others, use nodding instead of shaking hands, and try to keep a certain distance from others when conditions permit.
3. Visitor management. During the epidemic in COVID-19, office buildings and other places should strengthen the health monitoring and registration of visitors.
Work plan for disinfection of epidemic situation 5 I. Principles of disinfection
(1) In places where there are no patients or asymptomatic infected people, cleaning and sanitation are usually the main thing, supplemented by preventive disinfection. When faced with the threat of infectious diseases or crowded activities, disinfection is necessary.
(2) In principle, there is no need to disinfect the external environment, and outdoor air should not be disinfected. For places that are rarely touched by hands, such as the ground, green plants, walls, billboards, etc. When they are not obviously polluted by vomit, secretion and excrement, there is no need to disinfect them. Outdoor fitness equipment, public seats and other items that people often use can increase the cleaning frequency. If there is obvious pollution, the surface should be disinfected.
(three) people, cars, bicycles and their articles that do not need disinfection in communities and units.
(4) In general, indoor sewer pipes do not need to be disinfected regularly.
(5) Disinfectants are corrosive to articles, especially to metals, and also irritating to human body. Residual disinfectants cause pollution to the environment and damage to articles, so they should be disinfected moderately.
Second, the choice of disinfectant
For surface disinfection, chlorine-containing disinfectants (such as 84 disinfectant) and 75% alcohol can be selected; Quick-drying hand disinfectant containing alcohol can be used for hand disinfection, and 0.5% iodophor can be used for skin disinfection. Other effective disinfectants can also be selected according to the requirements in the Notice of the General Office of the National Health and Wellness Committee on Printing and Distributing the Guidelines for the Use of Disinfectants (Guo Wei Ban Supervision Letter (2020) 147).
Third, disinfection methods
room air
Give priority to ventilation, open the window for ventilation 2 ~ 3 times a day for at least 30 minutes each time, and pay attention to keep people warm.
(2) Hands and skin
Hand washing is the main method. After contact with suspected polluted environment, it can be wiped and disinfected with alcohol-containing quick-drying hand disinfectant. It is recommended to use 0.5% iodophor for skin that may be exposed to suspected pollutants.
(three) the ground and walls that may be polluted.
It can be wiped or sprayed with 500 ~ 1000mg/L chlorine-containing disinfectant (for example, chlorine-containing disinfectant with available chlorine content of 5% is prepared into chlorine-containing disinfectant with concentration of 1000mg/L, and 49 parts of water is added to 1 disinfectant). The disinfection sequence is from outside to inside, and the disinfection time is not less than 30 minutes.
(4) Eating utensils
Boiling disinfection 15 minutes is preferred, or soaking in 250mg/L chlorine-containing disinfectant 15 minutes, and then rinsing with clear water. (For example, when a chlorine-containing disinfectant with an available chlorine content of 5% is prepared into a chlorine-containing disinfectant with a concentration of 250mg/L, take 1 disinfectant and add water 199. )
(5) the surface of the object
The surface of objects that are frequently contacted can be wiped with 250 ~ 500mg/L chlorine-containing disinfectant (such as chlorine-containing disinfectant with 5% available chlorine, take 1 disinfectant with a concentration of 500mg/L and add 99 parts of water), 75% alcohol or other disinfectants that can be used for surface disinfection, and then washed with water after 30min.
(6) Toilet
The disinfection of toilets should focus on the surfaces that the hands often touch, such as door handles and faucets. It can be wiped with 500mg/L chlorine-containing disinfectant or other disinfectants that can be used for surface disinfection, and cleaned with water after 30 minutes.
(7) Sanitary appliances such as mops and rags.
Should be dedicated to special areas to avoid cross-infection. After use, soak in 1000mg/L chlorine-containing disinfectant for disinfection, rinse with clean water after 30 minutes, and dry for preservation.
(eight) clothing, bedding, towels and other textiles.
Steam can be circulated or boiled for disinfection 15 minutes, or soaked in 250mg/L chlorine-containing disinfectant for disinfection. 15 ~ 30 minutes later, clean as usual.
(nine) vomit, excrement and secretions directly pollute the ground.
Immerse disposable water-absorbing materials (such as gauze and rag) in 5000mg/L~ 10000mg/L chlorine-containing disinfectant (for example, when the chlorine-containing disinfectant with 5% available chlorine is prepared into 10000mg/L chlorine-containing disinfectant, take 1 disinfectant and add 4 parts of water). Use 1000mg/L chlorine-containing disinfectant to wipe the contaminated surface and its surrounding surface. Gloves and disposable medical masks should be worn when handling pollutants, and hands should be washed or disinfected after handling.
Fourth, matters needing attention
(1) disinfectant has certain irritation and toxicity, so personal protection should be done when preparing and using it. Protective equipment includes masks, hats, gloves and work clothes. In order to prevent the disinfectant from splashing on eyes, it is recommended to wear protective glasses. At the same time, the disinfectant is corrosive. Pay attention to wipe with clean water after reaching the disinfection time to prevent damage to the disinfected items.
(2) Chlorine-containing disinfectants can bleach fabrics and should be used with caution when disinfecting fabrics.
(3) When other disinfectants are used for disinfection, read disinfection products's instructions carefully before use, and use them correctly in strict accordance with the scope of use, usage method, concentration and action time specified in the instructions.
(four) the disinfectant used should be within the validity period, and the disinfectant should be used now.