Here’s a look at Zika virus, an illness spread through mosquito bites that can cause birth defects and other neurological defects. Zika virus is a flavivirus, part of the same family as yellow fever, ...

El Paso saw an increase in respiratory illnesses spread over the holidays as the city distributed fewer vaccines last year.

Months into the coronavirus pandemic, much about the disease remains unknown. As several countries attempt to regain a sense of normalcy despite recent surges in cases, politicians and scientists ...

As the Zika virus captures headlines across the United States, with its possible link to birth defects and the first cases reported in the U.S. (all traced back to overseas travel), it's an opportune ...

Powassan virus, an extremely rare tick-borne illness, is trending after a severe case in a 3-year-old boy in Pennsylvania led to hospitalization. While swimming in a neighbor's pool, Jonny Simoson's ...

We still don’t know how the pandemic started. Here's what we do know — and why it matters. Credit...Illustration by Jules Julien Supported by By David Quammen David Quammen is the author of ...

I’ve had it up to here with viruses lately. It’s easy in these times to wonder whether there’s anything good about them. That made me curious about why viruses exist in the first place, and where they ...

There’s a virus out there that has given Massachusetts public health officials serious anxiety, and tbh, they have a pretty good reason. Eastern Equine Encephalitis might sound like something only ...