Students wearing face masks during the Covid-19 pandemic sit on Jan. Chaideer Mahyuddin | AFP | Getty...
variant
Während viele Amerikaner das scheinbare Abklingen der Pandemie feiern, wird die Sorge um die sogenannte Delta-Variante immer...
A mobile Covid-19 vaccination center outside Bolton City Hall in Bolton, where the number of cases of...
People celebrated the end of the coronavirus curfew on May 9, 2021 in Barcelona, Spain. Now Catalonia...
Medical staff from the Delta Health Center will be waiting on Jan. Spencer Platt | Getty Images...
Health workers vaccinate a woman in Peru. DIEGO RAMOS | AFP | Getty Images More than 18...
Pfizer and BioNTech announced Thursday that they are developing a version of the coronavirus vaccine that will...
Pfizer says it’s creating a Covid booster shot to focus on the extremely transmissible delta variant

Pfizer says it’s creating a Covid booster shot to focus on the extremely transmissible delta variant
Pfizer and BioNTech announced Thursday that they are developing a Covid-19 booster vaccine that will target the...
The highly transmissible Delta variant is now the dominant strain of coronavirus in the United States, outperforming...
As the Delta variant takes over the world, researchers are tracking how well vaccines protect against it...