Diseases, Conditions, Syndromes

Third vaccine dose ensures longer protection against COVID-19

In anticipation of the new wave of COVID-19, Estonia has started to administer the fourth vaccine dose, but many people have not received the third dose yet. A recent study shows that after the third vaccination, the antibody ...

Pediatrics

Pfizer asks FDA to OK COVID-19 vaccine for under 5s

Pfizer Inc. said Wednesday that it has asked the U.S. Food and Drug Administration to approve the emergency use of its COVID-19 vaccine in children younger than the age of 5 years.

Diseases, Conditions, Syndromes

Repeat infections with COVID-19 may become the norm

COVID-19 might be easing into a new status as a widely circulating and somewhat harsher version of the common cold, experts say—a virus that folks could contract repeatedly, even if they were recently infected.

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