Most people with allergies can safely get vaccinated for COVID-19. However, there is a very small subgroup of people with a history of allergic reactions to previous vaccinations or allergies to two ...

The authors found that Lachnospiraceae, a bacteria that lives in the gut and can produce flagellin (which forms flagella, ...

Fever is the most common reaction to a vaccination and could lead some people to delay or forego future shots.

JUNEAU, Alaska — Health officials in Alaska reported a health care worker had a severe allergic reaction to a COVID-19 vaccine within 10 minutes of receiving a shot. U.S. health authorities warned ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. For people who experienced an allergic reaction to their first mRNA COVID-19 vaccine, skin testing ...

NEW YORK — The CDC is warning COVID-19 vaccine providers to be aware of anxiety-related reactions after vaccination. The agency concluded it was anxiety, and not an issue with the vaccine, that caused ...

Sen. Ron Johnson, R-Wis., has sent letters to the CEOs of Pfizer and Moderna seeking answers about adverse reactions to the COVID-19 vaccine following a June 28 press conference with affected ...

Both the COVID-19 and the flu vaccines are safe and effective, but should you get them at the same time – or separately?

The LP.8.1-adapted BNT162b2 COVID-19 vaccine elicited a strong immune response and showed an acceptable safety profile in ...

A B.C. man who is one of the rare people suffering a debilitating reaction to the COVID-19 vaccine says he is now living in a bureaucratic nightmare trying to get compensation. Jan Przeranski says ...

As more and more people receive the COVID-19 vaccine, many of us have witnessed the joy and relief that comes with this momentous occasion within our networks. Yet aside from expressions of joy and ...