Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. On January 13, two days after a drive-through vaccination "superstation" opened in San Diego, a ...

Stock image of a Covid vaccine clinic. Scientists are trying to understand why a small number of people may develop adverse reactions to the Covid vaccine. Researchers from Yale analyzed the blood of ...

Please provide your email address to receive an email when new articles are posted on . Delayed large local skin reactions were most common. 40% had a negative change in their perception of the ...

BOSTON — Requests for a medical waiver to avoid a second COVID-19 vaccine dose or a booster after cutaneous reactions to the first dose are not justified on the basis of risk, according to an analysis ...

A recent study posted to the medRxiv* preprint server examined adverse reactions after administration of a bivalent BNT162b2 coronavirus disease 2019 (COVID-19) vaccine booster. Vaccination is ...

Allergic reactions to the Pfizer or Moderna COVID-19 vaccines are very rare, and a new study questions whether many of those that do occur are even real. In a small new study of 16 people who said ...

ATLANTA — It’s not unusual to experience a mild reaction after a shot, but some aches and pains may be more about anxiety than the COVID-19 vaccine. Reactions vary after a COVID shot. Some people feel ...

The coronavirus disease 2019 (COVID-19) pandemic, which is caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), has claimed more than 5.8 million lives worldwide. Several COVID-19 ...

A recent study has provided the first side-by-side comparison of how three major COVID-19 vaccine types differ in triggering ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. The rollout of three COVID-19 vaccines has begun to ease ...

By 2025, more than 13 billion doses of the vaccine are estimated to have been administered globally, saving untold millions of lives and suffering.