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National Institute of Allergy and Infectious Diseases

A baby born with microcephaly reacts to stimulus during an evaluation session with a physiotherapist at the Altino Ventura rehabilitation center in Recife, Brazil on January 28, 2016.

We’re not sure if Zika is causing all those microcephaly cases. But there’s no evidence it’s pesticides.

Health

Brazil’s surge in microcephaly cases has been widely blamed on the Zika virus. Now some claim it might be caused by pesticides, or even vaccines. We asked an NIH expert to sort out what we know from what we don’t.

Smallpox

The World

Government update on H1N1 expected

Global Politics
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Calling All Guinea Pigs: Volunteer for the H1N1 Trials

Global Politics
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