Nurith Aizenman

Every year, Stephen Lim and his colleagues at the University of Washington compile and analyze health data from every country on the planet to come up with a sort of global report card.

Year after year, one of the biggest success stories has been the vaccination of children.

"We've really seen this steady progress in increasing the fraction of children who are receiving ... in particular, the basic vaccines — diphtheria, tetanus and pertussis," Lim says.

It's one of the cheapest ways to help kids in extremely poor countries: Twice a year, give them a 50-cent pill to kill off nasty intestinal parasites. Now, a landmark study finds the benefits carry over long into adulthood — and the impact is massive. But dig deeper and the issue quickly becomes more complicated — and controversial.

To understand why, it helps to start at the beginning, when newly minted economist — and future Nobel prize winner — Michael Kremer says he stumbled into this study by lucky happenstance.

Renee Bach, an American missionary who operated a charitable treatment center for severely malnourished children in Uganda despite having no medical training, has settled a lawsuit brought against her in Ugandan civil court by two women and a civil rights organization.

At least 105 children died in the charity's care. Bach was being sued by Gimbo Zubeda, whose son Twalali Kifabi was one of those children, as well as by Kakai Annet, whose son Elijah Kabagambe died at home soon after treatment by the charity.

For weeks the U.S. coronavirus pandemic has largely been driven by spiraling outbreaks in the South and West. But some forecasters say Mid-Atlantic and Northeast states could soon be in deep trouble again, too.

The warning comes from researchers at the PolicyLab at Children's Hospital of Philadelphia, which has built a model to provide four-week forecasts for every U.S. county. NPR spoke to David Rubin, PolicyLab's director, an epidemiologist and professor at the University of Pennsylvania. Here are five takeaways:

The American conversation around masks and COVID-19 has taken a dizzying turn. For months, wearing masks has been politicized as a sign of liberal leanings. But in recent days, ever more governors — many of them Republican — have moved to mandate masks. This week President Trump — arguably the nation's most visible mask un-enthusiast — started referring to wearing them as "patriotic."

Pages