Influenza

Outpatient flu visits and hospitalizations are higher than at any time in the past 15 years

Bird flu headlines include three new human cases, millions of dead birds in poultry flocks and new personnel moves from the Trump administration

Delays in CDC analyses of infectious disease threats and agency silence will harm Americans, doctors and public health experts warn

Scientists have reported a new strain of bird flu in Nevada dairy cattle. And viral spread in pet cats has fueled worries over increased risk of exposure to humans

COVID levels may have peaked but flu is still high; RSV is on the way out

H5N1 avian influenza continues to spread amid commercial and backyard poultry, and additional cases have been reported in domestic cats

The Trump administration may undermine U.S. leadership and the international system of global health cooperation. Pandemic preparedness, resilient health systems and reproductive rights will suffer worldwide

Louisiana has reported the first U.S. fatality from avian influenza. Most of the country’s human cases have been mild

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