No longer judge the tight connection, cancel the circuit breaker mechanism of inbound flights, adjust the risk area to "high and low", correct the unscientific practices of nucleic acid testing, such as "two checks a day" and "three checks a day", and accelerate the drug reserves related to the treatment of COVID-19... After the publication of 20 optimization measures, it has aroused widespread concern in the society.

No longer judge the tight connection, cancel the circuit breaker mechanism of inbound flights, adjust the risk area to "high and low", correct the unscientific practices of nucleic acid testing, such as "two checks a day" and "three checks a day", and accelerate the drug reserves related to the treatment of COVID-19... After the publication of 20 optimization measures, it has aroused widespread concern in the society.