No, just hold a negative nucleic acid test certificate within 72 hours.

The Chengdu Municipal Health and Health Commission reminded that the negative proof of nucleic acid test within 72 hours should be strictly enforced when entering institutions, writing buildings and other places. If citizens find that enterprises, institutions and writing buildings require to check negative nucleic acid certificates within 24 or 48 hours, they can call the hotline 12345 to report complaints, and relevant departments will continue to rectify the phenomenon of exceeding the standard to varying degrees.

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Strictly implement the "one sweep and four inspections". All kinds of places and institutions should strictly carry out Tianfu health code inspection, and those who find red and yellow codes should immediately do a good job in accordance with relevant requirements. Enter the party and government organs, enterprises and institutions, office buildings and outdoor attractions, traffic stations, farmers' markets, wholesale markets, logistics parks, supermarkets and other crowded places, hotels, homestays, rental houses and other accommodation places, and strictly implement the "one sweep and four inspections". Conduct 1 day inspection on epidemic prevention frontline, medical institutions, postal express delivery, take-away, hotel services, supermarkets, various markets, logistics parks, transportation and logistics employees and other key groups.