A new strain of norovirus may be circulating, potentially leaving fewer people with immunity, according to Lynn Roberts, an epidemiologist with the Wisconsin Department of Health Services.

STOCKTON, Calif. — It’s a new year, and for Stockton, that means there's a new mayor: Christina Fugazi. The signs still haven't been changed inside Stockton City Hall, but Fugazi says she's ...

"Our method provides a completely objective way of spotting new strains of disease-causing bugs, by analysing their genetics and how they're spreading in the population. This means we can rapidly ...

Chinese President Xi Jinping has stressed support for the country’s vulnerable elderly and youth in a new year address that acknowledged the strains on some of the 1.4bn-strong population.