Prevention of infectious diseases: learn prevention knowledge first, and don't interfere with diseases; Patients wear masks, and many people do not join in the fun; Once you have a fever and get sick, seek medical advice promptly and don't run around; It is very important to open the window for ventilation. Clothes and quilts are often washed in the sun. It is very important to wash your hands with tap water to eliminate the "four evils"; Pay attention to hygiene in diet and insist on cooked food in the stomach; Remember, a balanced diet has a high quality of life; Moderate exercise is good, vaccination runs; If you know all the precautions, you will never get old with peace of mind.

Infectious diseases are caused by various pathogens and can spread among people, animals or people. Most pathogens are microorganisms, and a few are parasites. Parasites are also called parasitic diseases. Some infectious diseases, epidemic prevention departments must grasp their incidence in a timely manner and take timely countermeasures. Therefore, it is necessary to report to the local epidemic prevention department in time after discovery. This is called a legal infectious disease. There are 40 kinds of legal infectious diseases in China, including Class A, Class B and Class C. ..