A nasty stomach bug has been spreading across the country, including California, in recent months—leaving people feeling nauseous, achy or worse.

A Louisiana resident has died after being hospitalized with bird flu in December of last year, marking the first known U.S.

Valley fever is an infectious disease caused by the Coccidioides fungus that grows in the soil and dirt in some areas of ...

As China continues to monitor an increase in cases of human metapneumovirus (HMPV), here's what you need to know about the ...

Santa Ana winds in Southern California are often-fierce winds that topple power lines and trees and can turn a spark into a ...

The nation has recorded its first fatality from the H5N1 bird flu, and while health officials say risk to the public remains low, there are still a few things to know. The U.S. Centers for Disease ...

With reports of the first human death from bird flu in the US, some Americans are feeling an uncomfortable flashback to the ...

Emergency room visits for flu and RSV are very high, according to the latest data, with numbers for COVID-19 low for now but ...

The FDA has set maximum levels for lead in baby food. A new California law requires baby food makers selling products in the ...

Across the U.S., the rate of whooping cough in 2024 was more than 400 percent higher than in 2023, with more than 35,000 ...

A global outbreak of avian flu has reached Arizona, affecting animals and humans. Officials say the public health risk ...

There have been four flu pandemics since the start of the 20th century. What we’ve learned—and why we still can’t predict the ...