At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It’s a sign that ...

A new variant of the pathogen might be transmissible from an animal only to a person who is either more ... Sporadic, individual cases of H5N1 among people suggest that human-to-human transmission may ...

There is a need for a more in-depth surveillance of foodborne pathogens like the bacterium Salmonella in poultry ...

A preliminary study traces an mpox outbreak in a group of Ivory Coast monkeys to the fire-footed squirrel, indicating the ...

Melting Arctic ice increases human and animal interactions, raising the risk of infectious disease spread. Researchers urge ...

H5N1 bird flu has now crossed into U.S. dairy cattle for the first time, and alarmingly, it did so through just one spillover ...

More than 100 federal scientists who track bird flu, including vaccine and food safety experts, have been laid off. This comes as the deadly pathogen rips through dairy herds and poultry flocks.

After more than three years of thorny negotiations, World Health Organization member states finalized early Wednesday a major ...

As human activity alters the environment, kissing bugs and parasites will ultimately adapt. The geographic range of infected ...

The UK reports its first-ever case of reverse zoonosis—human flu infecting a pig—raising alarms about factory farming public ...

Most Americans blame a lab leak for the coronavirus pandemic, but it remains divisive in the intelligence community and is ...