Epidemiology

Americans don’t like being told what to do, and many don’t trust government. These stubborn attitudes might turn H5N1 bird flu into a pandemic

Three U.S. dairy workers have been infected with H5N1 after contact with sick cows, and all of them developed eye symptoms

Conspiracy thinking about autism drives anti-vaxxer presidential candidate RFK Jr.’s pick for vice president

Queer people’s behavior squashed the U.S. mpox outbreak in 2022. We shouldn’t have to rely on that to stop future outbreaks here or abroad

Detecting bird flu signs in dairy cows sooner could have helped staunch the virus's spread

The H5N1 virus is a long way from becoming adapted to humans, but limited testing and tracking mean we could miss danger signs

Three factors determine whether a society experiences disease outbreaks—and how we can fight them

Understanding how avian influenza jumped into cows can help shape the path to stopping the virus’s spread

WHO now admits the COVID virus and other germs spread “through the air.” This plain language may help improve research and action to fight disease

A Dutch man with lymphoma and other blood disorders was infected with the COVID-causing virus for nearly two years, during which time the pathogen evolved numerous mutations

Four years after a mysterious respiratory virus jumped from animals into humans and launched the COVID pandemic, wary epidemiologists are keeping a close eye on a strain of avian influenza that is spreading among U.S. dairy cows

Genomic analysis suggests that the outbreak probably began in December or January, but a shortage of data is hampering efforts to pin down the source