Pien Huang

Water utilities across the country will have to comply with EPA limits on "forever chemicals" in drinking water by 2029. Orange County got a head start.

The National Institutes of Health is sunsetting its COVID-19 treatment guidelines, used by millions of doctors to guide care during the pandemic.

Nationally, levels of respiratory syncytial virus appear to have plateaued, while COVID-19 levels are elevated and expected to climb higher.

In the absence of clear, reliable information on the Maui wildfires, rumors grew and cast suspicion on emergency response efforts.

The worst outcomes were among Black women, Native American and Alaska Native people.

Pfizer has submitted data on its bivalent COVID-19 booster shot that specifically targets the latest omicron subvariants. If authorized, the company says the shots could be ready as soon as September.

Missteps and delays have hampered the U.S. effort to vaccinate people against monkeypox. Now state health officials and community members are trying to adapt to a controversial "dose sparing" plan.

Revised guidance from the Centers for Disease Control and Prevention looks to minimize COVID-19's disruption of daily life while conceding that the pandemic isn't over.

Is it a sexually transmitted disease? Can you get it on a crowded bus? Trying on clothes? NPR talks to specialists about how this virus is transmitted and what kinds of precautions are warranted.

The Biden administration will continue to require travelers to wear masks on planes and other forms of public transport.