In the U.S., meanwhile, the White House insisted there was no need for a lockdown, despite signs that Omicron was gaining ground. Advertisement Globally, more than 75 countries have reported confirmed cases of the new variant....
Experts have urged caution in particular on drawing conclusions about how mild it is because hospitalizations lag behind infections and many variables contribute to how sick people get....
Also, even if Omicron proves milder on the whole than Delta, it may disarm some
综合
洛杉矶时报-世界与民族
2021-12-16 00:00:00.0