The CDC says a new strain of norovirus now makes up a majority of outbreaks and that could be why it's spreading so quickly. Stephanie Stahl reports.

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

Raging winter wildfires in Los Angeles are a grim reminder of how quickly wildfire smoke can creep into your neighborhood – ...

A Louisiana resident has died after being hospitalized with bird flu, marking the first known U.S. death from the virus.

Fires continue to ravage Los Angeles County in California. The smoke and pollution poses a threat to certain vulnerable groups.

California Governor Gavin Newsom has issued a state of emergency in response to a bird flu outbreak. California is in a state of emergency due to a recent bird flu outbreak. As residents grapple with ...

Authorities believe carbon monoxide poisoning caused the deaths of three people found in a western Pennsylvania home this week, but investigators have yet to determine what led to the deadly exposure.

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 ...

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

Dramatic photos of wildfires burning across the Los Angeles area, near Altadena, the Pacific Palisades, and in the San ...

Gov. Gavin Newsom declared a state of emergency on in response to the bird flu outbreak affecting dairy herds. Find out more about the rising cases, its symptoms, and other details below.

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