Coronavirus

The woman had both the alpha and beta variants of the coronavirus, which were found first in the U.K. and South Africa, respectively.

Bangladeshi soldiers are enforcing a seven-day lockdown. As the West opens up, poorer countries with low vaccination rates are being hit by wave after wave of COVID-19.

The United States wasn't ready for the pandemic "and we have a lot of work to do to get better prepared for the next one," says Dr. Anne Schuchat, who is retiring after 33 years at the agency.

Though the odds are comparable, many parents worry more about the less familiar disease. New mask guidelines have heightened anxiety. Experts explain the actual versus perceived risks of severe COVID.

Jennifer Minhas is among those who suffer lingering problems after COVID-19. A diagnosis of POTS, a little-known circulation disorder that mostly affects women, offers a way forward.

Researchers say the herd immunity threshold isn't the right finish line to end the pandemic. Instead, the public should just focus on getting as many people vaccinated as possible.

Struggling to keep up with a COVID-19 surge in Michigan, overwhelmed local health departments turned to schools, and recruited principals and teachers as supplemental contact tracers.

Doctors say India's battle with COVID-19 has led to an unprecedented rise in mucormycosis, a rare but dangerous fungal infection that preys on people with weakened immune systems.

Less than three weeks after launching quarantine-free travel between the two countries, New Zealand is suspending flights from Australia after new cases were found there.

The pandemic has done a number on us, in too many ways to count. Our bodies are responding with feelings of fatigue and lack of focus, experts say. Here are some tips to help you feel better.