Since the early days of the coronavirus pandemic, the first concern for Lisa Cooper, director of the Johns Hopkins Urban Health Institute and the Johns Hopkins Center for Health Equity, was the heightened risk for communities of color—a concern that proved to be true.  

It’s the “world’s most important math puzzle”: At what threshold will the coronavirus run out of susceptible hosts, getting us to the point of herd immunity? 70%, as some scientists suggest? Some models say it could be much lower—<50% in some…

After being a “coronavirus horror” this spring, New York’s daily COVID-19 infections have plunged 90% since their April peak—while new cases in California have increased 10X since then.   What made the tables turn?    The terrifying immediacy of New York's sirens and…

There’s no good solution: Keeping kids out of class and young adults away from college reduces their risk of SARS-CoV-2 infection, but they also miss out on the education and services they need. Updates:

The Darien Gap “a wild, lawless stretch” of jungle between Colombia and Panama, is one of the world's most dangerous migration routes.  

Grim forecasts for COVID-19’s toll on California’s homeless population have yet to happen. No one knows exactly why but part of the reason may be because of the potentially lower risk of being outdoors.   A lack of good data blurs the picture—hospitals and death…

In the frantic race for a COVID-19 vaccine, a longstanding issue in clinical trials persists: the lack of diversity.  

The economic toll of COVID-19 is gutting Latin America’s research infrastructure at a time when it’s needed most.   Latin America is home to less than 10% of the global population but nearly a third of reported COVID-19 deaths. Researchers who rushed to lend their expertise…

34 current and former key US health advisors have questioned the data integrity of a new US coronavirus database, The New York Times reports.

When Peter Hessler returned to teaching at China’s Sichuan University in the midst of a national lockdown, his task was to teach a nonfiction writing class—a cohort he describes as the “Children of the Coronavirus.”   From students’ field assignments, he learned a huge…