The outbreak in Putian, Fujian Province has struck, and one thing is worthy of vigilance: people suspected of being the source of the epidemic have entered the country for 38 days.

Experts believe that it is difficult to determine whether the "ultra-long incubation period" case was caused by the change of the virus itself; even if the "ultra-long incubation period" phenomenon exists, they are all cases, and the key is to implement isolation prevention and control measures in place.

The "Double Festival" is approaching, and all links must be prepared with "sure-proof" to avoid the consequences of "nothing-missing".

Editor in charge: [Li Peiyun]