Influenza

Samples from a hospitalized patient in Louisiana show changes that could make the H5N1 virus spread more easily between humans

A mixture of colder temperatures, lower humidity and more time spent indoors could explain the uptick in cold viruses during the winter holidays

Scientific American sat down with physician-scientist Anthony Fauci, who recently published a memoir, to discuss COVID mistakes and successes, bird flu concerns and political divisions

A new study finds tweaking part of the H5N1 virus infecting dairy cows in a single spot could allow it to better attach to human cell receptors, raising concerns it could transmit more easily between people

Last year avian influenza brought death to the picturesque island of South Georgia off Antarctica. This season scientists hope things will be different

Canada’s first human case of bird flu has left a teenager in critical condition as human infections continue to emerge in the western U.S.

Prominent vaccine skeptic RFK, Jr., is a proven menace to public health. But with a bird flu outbreak looming, he is poised to take a perch atop the federal public health enterprise

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But understanding disease risk and exposure to humans isn’t so straightforward

Humans and pigs could both serve as mixing vessels for a bird flu–seasonal flu hybrid, posing a risk of wider spread

If the influenza virus infecting cattle workers starts a pandemic, help in the form of a vaccine is months away

Experts call for greater testing of contacts of a person who was infected with the H5N1 bird flu strain before the virus causes a wider outbreak

Clean indoor air protects against diseases such as COVID and flu, but we’re not doing enough to ensure it