In one of the hardest hit countries in the world, the main strategy is a so-called early treatment combo of unproven medications — endorsed by President Jair Bolsonaro.

The latest toll from Johns Hopkins University comes nearly four months after the nation crossed the half-million mark for deaths from the coronavirus pandemic.

Since last April, thousands of Georgians have called or texted the COVID-19 Emotional Support Line to talk about the stress and anxiety of living through the pandemic, but callers have different needs now than they did when the first cases arrived in the state last spring.

Interest in international air travel is rising. If you're want to fly out of or into the United States, there's a lot you need to know. Here are answers to key questions.

Cities are leaving rural areas behind in the race to vaccinate against COVID-19, but some states' suburbs are struggling, too. To close the gap experts say, outreach needs to be hyperlocal.

More than two dozen states have reduced how frequently they report what's happening with the pandemic, raising alarm among some public health experts.

President Biden pledged the U.S. will donate 500 million doses of the Pfizer vaccine globally. "Our values call on us to do everything that we can to vaccinate the world against COVID-19," he said.

The Biden administration has issued an emergency rule that requires health care employers to take steps to protect their workers from COVID-19.

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.

Health experts worry about the delta variant because it appears more transmissible, which means it could lead to more deaths among the unvaccinated. Georgia, with roughly 35% of vaccinated adults, has more unvaccinated people than almost anywhere in the country.  

Tokyo 2020 organizers now face two tests: Preventing the spread of COVID-19 from foreign visitors to residents of Japan, and keeping athletes healthy and virus-free so they can compete.

An analysis of blood from people who had received the Johnson & Johnson COVID-19 vaccine found a lower level of neutralizing antibodies against viral variants but a strong response involving T cells.

All of the states with the highest adult vaccination rates went to President Biden in the 2020 election. But the vaccine divide is not just about politics.

Officials have pleaded with tech giants to keep the documents off their sites, but Amazon briefly had blank vaccination cards for sale this week. They could land their bearers in prison.

Instead of putting genetic instructions into people whose cells then make a viral protein, the vaccines from Novavax, Medicago and Sanofi carry a spike protein payload.