Vaccination

Don't get COVID-19 booster vaccine too soon

Amid reports of waning COVID-19 immunity, the Food and Drug Administration (FDA) is expected to officially approve a third dose of messengerRNA vaccines for the general public. Moderna and Pfizer are mRNA vaccines.

Diseases, Conditions, Syndromes

What you need to know about COVID-19 booster shots

Health officials are developing a plan to begin offering COVID-19 booster shots to all people in the U.S. as soon as this fall to maximize vaccine protection.

Diseases, Conditions, Syndromes

EXPLAINER: What do we know about booster shots for COVID-19?

U.S. health officials plan to offer COVID-19 booster shots to vaccinated Americans to shore up their protection amid the surging delta variant and evidence that the vaccines' effectiveness is declining. A look at what we ...

Vaccination

Immunologist answers questions about COVID vaccine

If we are ever to return to some semblance of normality, then the world's population needs to be immune to SARS-CoV-2, the virus that causes COVID-19. But with so many different vaccines in production, questions are undoubtedly ...

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