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Hunting for a Leftover Vaccine? This Site Will Match You With a Clinic.

Pandemic Forces F.D.A. to Sharply Curtail Drug Company Inspections

Severe Obesity Raises Risk of Covid-19 Hospitalization and Death, Study Finds

Many ‘Long Covid’ Patients Had No Symptoms From Their Initial Infection

Women Report Worse Side Effects After a Covid Vaccine

Fully vaccinated Americans can have small gatherings indoors with other vaccinated people but need to wear masks in public, the C.D.C. says.

‘At Your Age, It’s the Vaccine or the Grave’

In Oregon, Scientists Find a Virus Variant With a Worrying Mutation

Cómo funciona la vacuna de Oxford-AstraZeneca

Cómo funciona la vacuna de Johnson & Johnson

Some Scientists Question W.H.O. Inquiry Into the Coronavirus Pandemic’s Origins

One and Done: Why People Are Eager for Johnson & Johnson’s Vaccine

San Diego Zoo apes get an experimental animal vaccine against coronavirus.