Regulatory T-cells, or Tregs, called the body's "security guards" by the Nobel committee, help stop the immune system from ...

So far in 2025, the illness has sickened over 12,000 people in 11 countries across the Americas. Pale-throated sloths (Bradypus tridactylus) are one reservoir species for the Oropouche virus in the ...

What is chikungunya virus? Symptoms and advice after first case confirmed in New York - Health authorities have urged people ...

Chikungunya, which can disable victims for years, is spreading rapidly, including in China, France and other places that have not seen major outbreaks before. By Stephanie Nolen Stephanie Nolen, who ...