British health service lowers delivery interval of second Pfizer coronavirus vaccine to expensive company not tested
A man who tested positive for a more contagious variant of the coronavirus is a Colorado National Guard soldier
An emergency physician tested positive for COVID-19 nine days after being vaccinated. This is not a sign that the vaccine is not working.
A doctor in the emergency tested positive for coronavirus 9 days after being vaccinated. This is not a sign that the vaccine is not working.
Doctors explain the effectiveness of COVID-19 vaccination after nurses tested positive days after taking the first dose
Doctors explain the effectiveness of COVID-19 vaccination after nurses tested positive days after taking the first dose