HEALTH

Federal officials authorized a second booster shot of the Pfizer-BioNTech and Moderna coronavirus vaccines for people 50 and older and immunocompromised people over age 12. Here's what you need to know.

Uncertainty about a fourth shot reflects the confusion about boosters that has dogged the government’s vaccination campaign.

The jury deliberated for seven days before finding William Husel not guilty on all 14 counts in what was one of the largest murder trials in Ohio history.

Here’s what we know about the science of masking to help you make decisions about if, when and where to cover your face.

Roughly 100 scientists will analyze data and communicate policy options to decision-makers and the public about how the virus is behaving and who is most at risk — in user-friendly terms.

Delta rewrote the statement after public health experts and others accused the airline of spreading misinformation after the mask mandate was lifted Monday.

Moderna is testing shots that combine multiple versions of the coronavirus as a possible booster.

Those 50 and older who had a mild case of covid-19 are 15 percent more likely to develop the painful ailment within six month than those who had not been infected by the coronavirus, study says.

Plagued by long covid's mysterious symptoms and bouncing among doctors, the 28-year-old wonders, "Is this going to be the rest of my life?"

Some people swear by these regimens, but experts say there’s no evidence they’ll help you lose weight or detox your body.

Headache disorders range from annoying to disabling. They include migraines, tension headaches, cluster headaches and headaches related to things like exercise or sinusitis.

At this precarious moment in the pandemic — with cases comparatively low but poised to rise again — the reality is that people are experiencing different pandemics depending on their job, health, socioeconomic status, housing and access to medical care.

Shortages of the vital fluid during the pandemic have given urgency to finding alternatives.

Tracking the main coronavirus variants in the U.S. and around the world: omicron, delta, gamma, alpha and beta.

Experts said that breath tests like the InspectIR COVID-19 Breathalyzer, approved by the FDA on Thursday, could eventually be used as a quick-screening device at large events.

It is too soon to predict how far the new subvariants might spread and how sick they might make people, experts said.

As the U.S. enters year three of the coronavirus pandemic, disease trackers are trying to stay one step ahead of the constantly evolving virus — by hunting for it in feces.

The third shot appears to broaden the ability of the immune system to recognize variants such as omicron.