"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...

Doctors across multiple countries are flagging a painful new COVID-19 symptom tied to a fast-spreading variant: a sore throat ...

WHO recommends strains 2026 for Northern Hemisphere flu vaccines, updating all three viral strains to improve protection against emerging variants.

A new, highly contagious flu strain is spreading fast and it could mean we’re in for another severe season. The strain, known as Subclade K, is already impacting countries like Canada, the UK and ...

The WHO also recommended changing two other strains in flu shots for the fall. The recommendations include two influenza A ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...

Global health officials mandate a new flu vaccine to combat a late-emerging, severe H3N2 variant, as current shots proved 37% ...