Viral mismatch between circulating strains and vaccine may have weighed down effectiveness ...

Hundreds of guests onboard Star Princess have contracted norovirus in the young cruise ship’s first ever illness outbreak.

Today, the Vaccine and Related Biological Products Advisory Committee (VRBPAC) unanimously endorsed the WHO’s recommendation for viral strains to include in flu shots starting this fall. The final ...

Human metapneumovirus (HMPV) has recently become a headline virus, particularly as cases have drawn attention in parts of the U.S. West Coast. For many people, the name sounds alarming because it is ...

In the three decades between 1993 and 2024, measles in the U.S. was relatively rare – a few hundred cases each year, at most. But suddenly, the disease has become so entrenched in American life that ...