H3N2, a highly contagious subtype of the influenza A virus, is a formidable respiratory pathogen. It spreads rapidly through airborne droplets, meaning a simple cough, sneeze, or conversation in a ...

Kolkata: Thousands across Kolkata have been laid low by another spell of fever and sore throat, with the latter leading to a choked voice for many. Wi.

A little-known virus that causes nasty flu-like symptoms is spreading in California — and it doesn’t have a vaccine. Cases of human metapneumovirus (HMPV) have been steadily rising since winter began, ...