They don't yet understand why the coronavirus variant called P.1, has spread so explosively there. Its set of mutations seem especially dangerous. And this week P.1 was confirmed in the U.S.
A map of confirmed COVID-19 cases and deaths around the world. The respiratory disease has spread rapidly across six continents and has killed at least 2 million globally.
Merck, which previously made an Ebola vaccine, had been seen as a serious contender in the worldwide race to come up with an answer to the coronavirus.
Nigerian physician Ifeanyi Nsofor writes: "I was elated when the first COVID-19 vaccine was shown to be effective. ...My joy was cut short when richer Western nations began buying up the vaccine doses."
"The companies must deliver. They must honor their obligations," the European Commission's president said after both AstraZeneca and Pfizer said they were experiencing shipping issues.
Six takeaways from discussions at the annual meeting of the World Health Organization's Executive Board.
In a new round of tests, the drug company wants to see if booster doses of its vaccine will ramp up defenses against emerging strains of the coronavirus.
Jan. 23 marks the one-year anniversary of the strict lockdown imposed on the first epicenter of COVID-19. Here's what residents have to say about their experience.
There are N95s, reserved for health workers. There are KN95s, which you can buy easily — except that quality may vary. And now South Korea's KF94 masks are getting a lot of buzz.
Ellen Johnson Sirleaf, a Nobel Peace Prize recipient and former president of Liberia, says much of Africa may be left out until 2022. "We don't have the resources. It's as simple as that," she says.
Another surge in coronavirus cases has collapsed Manaus' health system, leading hospitals to run out of beds and oxygen for patients. It's also having a deadly fallout in nearby communities.
The wriggling parasites are a scourge around the world. And in some ways, other countries are better at fighting them than the U.S. But a new effort in the rural South shows promise.
On Georgia Today, host Steve Fennessy talks with Grady Memorial Hospital physician Kimberly Manning on the roots of distrust amid the COVID-19 vaccine rollout, and her personal mission to persuade communities of color to take the vaccine.
The variant in Brazil is causing a surge in Manaus, a city where the virus previously infected huge numbers in the spring of 2020. Researchers are trying to determine why.
In a move requested by abortion rights advocates, Biden is preparing to overturn the Mexico City Policy, which prohibits U.S. aid to groups that provide or refer for abortion in other countries.