Every flu season, injectable vaccines prime the immune system to produce antibodies that circulate through the bloodstream.

The FluMist vaccine triggers an immune response directly in nasal tissue in adults, researchers reported April 29 in the ...

Scientists have finally watched influenza viruses break into living human cells in real time, catching the microscopic invaders as they latch on, glide across the surface and slip inside. Instead of a ...

Influenza D virus demonstrates high replication in human cells and weak immune triggering, suggesting potential zoonotic risk ...

Deep in the lungs, resident memory B cells stand guard against influenza reinfection—but whether they remain there may depend ...

Seasonal influenza vaccination was associated with a reduced risk for progression to lower respiratory tract disease and hospitalisation in allogeneic haematopoietic stem cell transplant (allo-HCT) ...

The findings show how the H5N1 bird flu virus is evolving in livestock and what that may mean for human health.

The flu is straining hospitals and urgent cares across the United States, with the surge in infections driven by an aggressive new flu variant. Flu activity remains high in most parts of the country, ...