WHO calls for moratorium on vaccine booster shots; Los Angeles considering proof-of-vaccine requirements: COVID-19 updates
Elinor Aspegren, USA TODAYComments Off on WHO calls for moratorium on vaccine booster shots; Los Angeles considering proof-of-vaccine requirements: COVID-19 updates
The highly contagious delta variants now account for more than 90% of new coronavirus infections across the U.S. Latest COVID-19 news.