Viruses & Diseases

What is Naegleria fowleri?

9 of the worst viruses on Earth

Which wild animals are more likely to carry rabies, and which ones aren't?

What to know right now about Zika virus

What is chikungunya?

What you may not know about sunscreen

New NASA map forecasts Zika risk

Sweat-emitting Brazilian billboards lure Zika-carrying mosquitoes to their death

What you need to know about the Midwest's mysterious bacterial outbreak

How to treat chigger bites

Why are my feet always cold?

What your eye color says (and doesn't say) about you

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