While many may believe the days of pandemics are behind us, a new bird flu epidemic could threaten that assumption, leading to more economic turbulence.

Researchers have shed new light on how viral evolution, population immunity, and the co-circulation of other flu viruses shape seasonal flu epidemics.

In 1918, an influenza virus known as the Spanish flu killed over 50 million people all over the world, making it the deadliest pandemic in modern history.

THE identification of a new antigenic variant of influenza virus of the A group from epidemics occurring in the Far East in April and May, 1957,1 , 2 permitted a revision in the antigenic compositi ...

Seasonal influenza cases are on the rise in the United States. Federal public health officials said that flu cases “crossed the epidemic threshold” on Nov. 4, 2022.

Within a month of learning about Hong Kong’s influenza epidemic, Hilleman had requested, obtained and tested a sample of the virus from colleagues in Asia.

The Trump administration has sued California over the state's voter-approved animal welfare law, which protects hens, pigs ...

Discover the deadliest epidemics and pandemics in history — including ones that have wiped out entire civilizations.

Seasonal influenza cases are on the rise in the United States. Federal public health officials said that flu cases “crossed the epidemic threshold” on Nov. 4, 2022.

Seasonal influenza cases are on the rise in the United States. Federal public health officials said that flu cases “crossed the epidemic threshold” on Nov. 4, 2022.