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More Girls Are Being Diagnosed With Autism

We’ll Probably Need Booster Shots for Covid-19. But When? And Which Ones?

A New Bird Flu Jumps to Humans. So Far, It’s Not a Problem.

A New Bird Flu Jumps to Humans. So Far, It’s Not a Problem.

In Mexico, Childbirth in Covid’s Shadow

The Virus Won’t Stop Evolving When the Vaccine Arrives

The Virus Won’t Stop Evolving When the Vaccine Arrives

Cats Shed More Than Dogs. The Coronavirus, Not Fur.

The Good, the Bad and the ‘Radically Dishonest’

F.D.A. Says Some Masks Made in China Shouldn’t Be Reused

E.R. Visits Drop Sharply During Pandemic

E.R. Visits Drop Sharply During Pandemic

Where Have All the Goslings Gone?

Are Face Masks the New Condoms?

Are Face Masks the New Condoms?