Lab tests suggest a strain of the flu virus circulating this season may not be "well-recognized" by the flu vaccine.

The new US health secretary, Robert F Kennedy Jr, has ordered the Centers for Disease Control and Prevention (CDC) to halt its publicity campaign encouraging uptake of this year’s seasonal flu vaccine ...

The case counts seem to be dropping. But health officials say that's because violence in the Democratic Republic of Congo ...

Matha, in Quebec’s Lanaudière region, is dealing with an avian flu outbreak. It was first detected on Jan. 31 A primary control zone has been established around the area to limit the risk of avian ...