New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

The shift reflects the current public health situation, marked by declines in human cases as well as animal detections ...

The U.S. is having its worst year for measles spread in more than three decades, with a total of 1,288 cases nationally and ...

Researchers at Stanford University have developed a new tool that can compute the “biological age” of human organs by ...

A Pulitzer Prize-winning weekly covering West Marin, including the towns of Point Reyes Station, Inverness, Bolinas, Stinson Beach, Marshall, Nicasio, Lagunitas, Woodacre, San Geronimo, Forest Knolls, ...

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts ...

The U.S. Centers for Disease Control and Prevention (CDC) announced the end of the bird flu emergency, at least for now.

However, the positive news is that hantavirus has never spread from person to person in North America. “Person-to-person ...

When hunter-gatherers began living close to animals, the pathogens that cause the plague and leprosy got closer too.