For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a new technique which makes the viral genetic material light up under the ...

A single influenza virus entering a host cell, visualized with VISUN. The bright spots are individual packages of viral genetic material, which are fluorescently labeled and spreading through the host ...

Flu symptoms often arrive together. Fever is believed to make the lungs less hospitable to viral multiplication. Coughing and sneezing help clear excess mucus from the airways. The heavy fatigue and ...

Hopefully, you have already received your seasonal flu vaccine this year. These shots are highly effective at preventing illness, ultimately lowering the spread of the virus throughout the population.

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

WASHINGTON — The flu is spreading rapidly across much of the United States this winter. Doctors say the flu can make people feel very sick and that symptoms often show up suddenly after someone is ...