All four flu pandemics — in 1918, 1957 and 1968 and the swine flu pandemic of 2009 — were caused by Type A viruses. Influenza B viruses, however, only circulate in humans. They are divided ...

As bird flu outbreaks continue to affect animals, experts answer questions about keeping pets and their owners healthy ...

Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian ...

The ongoing bird flu outbreak has led to wild bird deaths, slaughtered livestock, and hazardous conditions for dairy industry ...

This strain causes severe bronchitis with excessive coughing, requiring nebulizers, inhalers, or oral steroids for relief, ...

Swine flu or H1N1 virus infection has swept through the Delhi-NCR region as a survey says more than 50 per cent of households ...

Immunity Against Seasonal H1N1 Flu Reduces Bird Flu ... according to a new ... New Type of Antibody Shows Promise Against Multiple Forms of Flu Virus Dec. 21, 2023 — Researchers have identified ...

HHS is re-evaluating a nearly $600 million contract with Moderna to develop and test vaccines against flu viruses that could ...

In February 2025, flu rates spiked to the highest levels seen in at least 15 years, with flu outpacing COVID-19 infections ...

Swine flu is caused by a virus, which affects pigs. It is highly contagious and spreads through air and solid surfaces.

Avian flu is not just for the birds; cases have been reported in the United States in dairy cows, as well as types of cats, a ...