I spoke to a community group in October. I started with a question: What season is it? Holidays offer a good clue to the season, but it can be confusing.

Chikungunya, a painful mosquito-borne disease once mostly confined to tropical regions, could now be transmitted across large ...

University of Toronto researchers have uncovered how bacterial viruses protect their progeny in order to maximize their reach. The phenomenon, described in a study published in Nature, relies on viral ...

Norovirus is an extremely contagious “vomiting bug” that spreads through food, water, and surfaces contaminated with tiny particles of vomit or fecal matter. Symptoms include diarrhea, vomiting, ...

As plastic pollution worsens worldwide, scientists are uncovering a new and unsettling possibility. Tiny airborne fragments of plastic, known as micro- and nanoplastics, may do more than pollute the ...

Add Yahoo as a preferred source to see more of our stories on Google. In Asia, the countries in red are where there have been Nipah virus outbreaks. In yellow are the places where the particular bat ...