Cambodia's health ministry yesterday reported two more human H5N1 avian flu cases, part of a spike in cases in June, with six ...

The H7N9 strain of bird flu was detected on a poultry farm in Mississippi. The infection of 47,654 commercial chickens was confirmed on March 13 by the World Organization for Animal Health.

Cambodia’s health ministry today reported a seventh human H5N1 avian flu case for the month of June, a 36-year-old woman from ...

Here's what to know. Why bird flu is so rampant right now “We’ve never seen a global spread of avian influenza virus like this,” says Michael Osterholm, director of the Center for Infectious ...

The last 3/4 flu pandemics (and maybe 1918 too) were reassortant viruses. "Ducks don't get very sick from many avian flu viruses and thus they are great hosts for reassortment. They still fly, eat ...

The H5N9 strain, a subtype of the influenza A virus, is considered rare. According to the U.S. National Library of Medicine, it is a reassortant virus combining elements from H5N1, ...

The study tested not only H5N1 but also other influenza A viruses (H5N2, H5N3), influenza D virus (IDV), and reassortant strains, ensuring that the findings apply broadly to different influenza types.

1918-19 "Spanish flu" A -- Caused the highest known influenza-related mortality: almost 700,000 deaths occurred in the U.S., and between 50 million to 100 million worldwide 1957-58 "Asian flu" A ...

The isolation of influenza virus 80 years ago in 1933 very quickly led to the development of the first generation of live-attenuated vaccines. The first inactivated influenza vaccine was ...