Die Vereinigten Staaten sind in die vierte Welle der Pandemie eingetreten – oder in...
Delta
In the last month as Delta increased, the incidence of Covid in children increased...
President Joe Biden on Friday blamed the coronavirus pandemic for a surprisingly weak job...
An unvaccinated elementary school teacher infected with the highly contagious Delta variant spread the...
SAN FRANCISCO – Before the pandemic, Roya Joseph’s days in the office were one...
Two years ago a sneeze or cough would not have been a cause for...
In some rare cases, breakthrough infections can lead to persistent symptoms. “Long Covid” is...
A single dose of the Covid-19 vaccine manufactured by Johnson & Johnson is highly...
The Delta variant is much more contagious, is more likely to breach vaccine protection,...
Of the 39 percent of unvaccinated adults, around half say they are not vaccinated...