Booster shots have been authorized for all U.S. adults, and the government is urging people to get them. But what if you've already had COVID and the vaccine?

State rules were temporarily loosened in 2020 to help patients get care outside a doctor's office. But is telehealth by phone safe and effective? State legislatures and insurers must soon decide.

Health and Human Services Secretary Xavier Becerra says health providers who have exploited a complicated system to charge exorbitant rates will have to bear their share of the cost — or close.

COVID-19 has twice struck a Latino family living in a multi-generational setting in the San Francisco Bay Area, underscoring the importance of vaccination for the sake of all household members.

Scientists have begun to find abnormalities in the immune systems of some long-COVID patients that might help explain the syndrome, at least in some people. But there is still much more to learn.

The companies say a study of more than 10,000 volunteers showed a vaccine efficacy of 95% or greater for people receiving the booster.

A West Virginia pharmacist wanted to help those hit by the opioid crisis. But a few years after he began providing medications to treat addiction, drug enforcement raided his pharmacy.

The country's top infectious disease doctor says he is looking for "a level of control" over COVID-19 such that it is less disruptive to society — and he again stressed the importance of vaccination.

Kids who need hormone-blocking drugs to prevent premature puberty — or delay it if they're trans — have lost a more affordable option. The remaining nearly identical drug costs eight times more.

Cooking and sharing elaborate meals was her joy. Then she learned a mutation in her genes puts her at extremely high risk of gastric cancer. Could she lose her stomach to save her life?

Democrats agreed to a significant — but slimmed down — proposal to help lower prescription drug prices, bringing aboard notable holdouts on the measure, including Arizona Sen. Kyrsten Sinema.

Some experts worry "boostermania" is distracting from the goal of getting tens of millions of unvaccinated Americans their first shots.

Hospitals and doctors are facing more demands for ivermectin as a Covid-19 treatment, despite no proof it works. In some Republican-dominated states, lawmakers and attorney generals are weighing in.

Parents react to the recent Food and Drug Administrations emergency use authorization for the Pfizer vaccine, which allows children ages 5-11 to receive the vaccine.

Physicians weigh in on what you need to know about the safety and efficacy of the vaccine, and how to think about the risks and benefits of vaccinating your kid