Pfizer Inc.'s vaccine was less effective at keeping people from getting the coronavirus in Israel in recent weeks, but it continues to provide a strong shield against severe Covid-19, according to government data.
#Pfizer #Israel #Covid19
Pfizer Inc.'s vaccine was less effective at keeping people from getting the coronavirus in Israel in recent weeks, but it continues to provide a strong shield against severe Covid-19, according to government data.
#Pfizer #Israel #Covid19
The Delta coronavirus variant appears to cause more severe illness and spread as easily as chickenpox, according to an internal..