Frontline health workers report a frustrating return to shortages of protective gear.

As debate around reopening schools reaches a crescendo, US President Trump has doubled down on his commitment to reopening—even as daily US cases reach new highs, 

Officially, Africa now has over half a million COVID-19 cases—but yawning gaps in testing mean that number is far from reliable, warns WHO Africa chief Matshidiso Moeti, the 

Evidence is mounting that tiny, infectious COVID-19 droplets linger in the air longer than once thought, according to a group of scientists urging the WHO to update its guidance, The Washington Post reports.

What percentage of a population must be immune to reach COVID-19 herd immunity?   Based on a common estimate that each infected person will infect 2.5 people: 60%.   But it’s not that simple. With a naturally spreading virus like COVID-19—as opposed to a vaccine—variations…

On July 6, 1885, a boy received the first vaccine against rabies. Now, we mark the historic event with World Zoonoses Day—which feels more relevant than ever this year, with a world unmoored by COVID-19 and an endless parade of other zoonotic threats. “Not all zoonotic…

“If I call the [Nigeria CDC] hotline and they park the ambulance in front of the door, what will the neighbours think?” That was top of mind when Muhammad feared he had COVID-19.   In Maiduguri, the capital of Nigeria’s Borno State, a decade of conflict has weakened health…

Globally, more than half a million people have lost their lives to COVID-19, and cases shot past the 10 million mark Sunday—grim milestones marked by Johns Hopkins University’s pandemic tracker.

The WHO declared the end of the Ebola outbreak in eastern DRC Thursday—but warned that new flare-ups of that strain could still emerge. With another Ebola strain now circulating in the northwest of the country, there is mounting concern that if the 2 strains combine—likely…

As COVID-19 case numbers are rising in more than half of the states in the US, experts are now predicting 180,000 deaths by October 1, USA Today reports. A universal mask-wearing order in the US, however, could save as many as 33,000 lives, according to the…