Medicine

The hackers have been linked to Russian intelligence and were blamed for hacking Democratic Party emails in the 2016 U.S. presidential election.

When Pa. ordered a coronavirus shutdown in March, things were clear: Stay home. Four months later, localized rules make safety seem open to interpretation.

As COVID cases surge, we examine why in the U.S. pandemic response has failed, what we are learning about the virus, and why Pa. needed a mask mandate.

Scientists are monitoring the virus that causes COVID-19 for genetic changes that could make a vaccine ineffective. But so far, they're not seeing any.

The announcement could represent the final judgment in the effort to determine whether the drug can be used to treat patients hospitalized with COVID-19.

Thanks to COVID-19, social media has never been more important — or more dangerous. Information — good or bad — spreads at lightnin ...

The question is not just about money. It’s also about getting the word out to people who need to hear it and might not get it elsewhere.

It's a welcome bit of hope as countries grapple with spikes in contagion as they loosen restrictions and reopen their economies.

U.S. regulators revoked emergency authorization for malaria drugs promoted by Trump for treating COVID-19 amid growing evidence they don’t work

For independent pharmacies already struggling to compete with large chains, losses incurred by looting could force them to close in the weeks or months ahead.

The pandemic has revealed the failures and inequities in our healthcare system. Ezekiel Emanuel, author of "Which Country Has the World’s Best Healthcare?" discusses reforms.

A study of more than 800 health workers and others finds that taking hydroxychloroquine to prevent COVID-19 is no better than a placebo in preventing the illness.

We get an update on COVID-19 testing and talk with physician Danielle Ofri about treating patients during pandemic and her new book, "When We Do Harm."

Doctors and hospitals are open again for routine yet important care like vaccines and mammograms. Some patients are still unsure if they should go.

The WHO will pause the hydroxychloroquine arm of its clinical trial after a published paper showed people taking the drug were at higher risk of death and heart problems.