Jane Greenhalgh

The variant accounts for more than 6% of all infections in the U.S. and in some Western states is responsible for more than 18% of cases.

The FDA has authorized storing the Pfizer-BioNTech COVID-19 vaccine at refrigerator temperatures for up to a month. Previously the vaccine could only be kept in a regular fridge for up to 5 days.

Not only does the new research show the Moderna and Pfizer vaccines are effective at protecting pregnant people, it also found that antibodies were present in umbilical cord blood and breast milk.

I haven't seen my mother in over a year. I was going to visit in April to celebrate her 90th birthday but the pandemic put that on hold. Now that she's been vaccinated is it time for the birthday hug?

Many favorite holiday traditions could be treacherous this year because of the coronavirus. Here's how experts view the risks — and some creative, safer alternatives to keep up a festive mood.

When Kansas issued a mask mandate, 81 counties opted out. Researchers found coronavirus infection rates rose sharply in the opt-out counties, while falling in those that required masks.

According to data reported to the CDC, 121 children died from COVID-19 between February and July of this year. And 78% of the children who died were Hispanic, Black or Native American.

As schools weigh the risks of reopening, many are making plans to lower the risks of coronavirus transmission. Here's how to vet your school's proposals.

If you miss your mom and dad — or they miss their grandkids — how safe is a summer trip? Older people are more likely to get seriously ill from the coronavirus, so consider these tips to reduce risk.

A paper suggesting hydroxychloroquine increases the risk of death for patients with COVID-19 has been retracted by three of its authors because they were not able to verify the data used in the study.

The president repeated his claim that the U.S. is surpassing all other countries in coronavirus testing. But measured on a per capita basis, the U.S. is far behind other countries.

At the top of the world, the Inuit culture has developed a sophisticated way to sculpt kids' behavior without yelling or scolding. Could discipline actually be playful?

Cat lovers were very concerned about our story on permethrin. How risky is the pesticide for Kitty? By minimizing their pet's exposure, cat owners can use the chemical safely, veterinarians say.

Part of a parent's job is to help kids do their best, but pushing too hard can backfire. Research shows kids in high-achieving communities are at higher risk of anxiety, depression and substance use.

Forest fires have brought a smoky haze to the West, along with stinging eyes, sore throats and headaches to people far from flames. Unseen particles of ash also make it hard for some to breathe.

Girls are much less likely to be diagnosed with autism, but that may be because the signs of the disorder are different than in boys. And girls may be missing out on help as a result.

Bears do it, bats do it. So do dogs and humans. They all yawn. It's a common behavior, but why is a bit of a mystery. Researchers think yawning may perk up the brain and help with social bonding.

About 35 million Americans suffer some hearing loss, but most don't do anything about it. There's a growing effort to make hearing aids easier and cheaper to buy.

The world is seeing more and more new diseases, and the U.S. is no exception. We're living in a hot spot for tick-borne diseases. Some are deadly. The key to stopping them may be an unlikely critter.

Lyme disease is spreading, and this summer is shaping up as a whopper. Why has the tick-borne illness gotten so bad? The answer traces back to something the colonists did more than 200 years ago.