Nearly 18 months into the pandemic, the tiny island nation of Tonga still enjoys an extraordinary status: zero reported COVID-19 cases. The country, population 105,000, is one of 6 Pacific Island nations that are still COVID-free, according to official numbers. As a…

New CDC data has put the lie to the notion that vaccinated people aren’t spreading the Delta variant,

The beleaguered COVAX alliance to distribute COVID-19 vaccines around the world should soon get a boost of 500 million donated doses—but it’s still half a billion doses shy of its goal, just as the Delta variant deepens the threat for many poor countries.  

Chilling new research about the transmissibility and severity of the Delta variant drove the CDC’s about-face decision on Wednesday that urged mask use indoors for everyone,

It’s well-known that that COVID-19 vaccines are not 100% effective.

0: The number of goals achieved by an ambitious 5-year global strategy to stem the HIV/AIDS epidemic.   In 2015, UNAIDS, UNICEF, and WHO set targets for stemming the HIV/AIDS epidemic by 2020. A July 21 final report on the campaign called “Start Free, Stay Free, AIDS Free…

A nation’s president getting a COVID-19 vaccine is no longer news, but it is in Tanzania.

Early in the pandemic, there were dire predictions about a tidal wave of COVID cases hitting sub-Saharan African, overwhelming already struggling health systems. For much of the pandemic, those terrifying predictions didn’t materialize, perplexing researchers. But a year…

Washington has backpedaled its relaxed mask guidance, and is poised to announce a vaccine mandate for federal employees and contractors today,

In Indonesia—the new epicenter of the pandemic—children are making up a ballooning share of COVID-19 cases and deaths, challenging the notion that the coronavirus poses little risk to kids.   With ICUs already packed with adults, pediatricians are shattered by the sub-par…