Selena Simmons-Duffin

A panel of Food and Drug Administration advisors voted on whether the agency should authorize Pfizer's COVID-19 vaccine for children ages 5-11.

Many COVID-19 trendlines are headed in a positive direction in the U.S., but there are lots of unknowns about what will happen this winter as vaccinations still lag behind many other countries.

A lower dose of the Pfizer vaccine showed nearly a 91% efficacy rate in a trial of children ages 5-11, according to the company. Boosters for Moderna and J&J are officially now authorized.

These services can make the difference between being able to live at home with family or landing in a nursing facility. But state Medicaid programs don't always pay for them.

A family in Houston and a plumber in Maryland couldn't afford rent, which pushed them into crowded living quarters. During the COVID-19 pandemic, that common predicament has increased viral spread.

Did the eviction moratorium work to slow COVID? When people can't afford rent, they often end up in closer quarters. During a pandemic, that increases the risk of viral transmission.

Many families are under financial stress, parents see kids seriously behind in school, huge rent bills and looming evictions and delayed medical care has negative consequences, to name a few.

After promising booster shots to all recipients of the Pfizer and Moderna vaccines, then only some, 20 million Americans are now officially eligible to receive them.

The rate of new cases of COVID-19 among babies and children under 4 years old in the U.S. recently surpassed the rate of new cases among adults older than 65. Here's how to protect newborns.

The new Texas law bans abortions after a "fetal heartbeat" is detected, usually about six weeks into pregnancy. But doctors say that's not an actual medical term and it's being used inaccurately.

The Biden administration has announced nearly $85 million in funding for youth mental health awareness, training, and treatment.

Mask mandates and other interventions can help stop a surge, even where vaccination rates are low, say scientists who've reviewed states' data. When the measures start and how long they last matters.

When his friends started to get sick after a week of parties, Michael Donnelly started keeping track. His work — and his community's willingness to help — led the CDC to a major pandemic discovery.

A statistician compiled data to share with the CDC after friends kept testing positive after a week in Provincetown, Mass. It spurred an investigation that changed how officials saw the delta variant.

Millions of people who need insurance are eligible for free health care plans. A special enrollment period is ending on Aug. 15. Here's how to sign up in time.

About 13 million uninsured people in the U.S. are eligible for free health insurance plans. They have two weeks left to apply.

The CDC wants vaccinated people to wear masks indoors if the coronavirus is spreading widely where they live. Find out the level of virus transmission in your county.

New estimates show the U.S. is on track to see a big rise in cases and more than triple the number of deaths by October.

Fully vaccinated Olympic athletes and members of Congress have tested positive for the virus. Should you be worried? How common are breakthrough infections, and are they rising?

The CDC warns new COVID-19 cases are on a sharp rise, up 70%, fueled by the highly contagious Delta variant. Officials expect more spread in the nation's unvaccinated population.