Some rich countries are moving ahead on COVID-19 booster shots, while 3.5 billion people are still waiting in line to get their first jab, Amy Maxmen writes in

China is moving quickly on multiple fronts—using lockdowns and mass testing—to quash new COVID-19 outbreaks in the eastern part of the country,

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

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…

The US/NATO withdrawal from Afghanistan has coincided with an increase in violence that is crippling the country’s health system—just as the Delta variant is driving a third wave of infections. Many health facilities caught in the crossfire have been forced to shutter;…

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

The fight against global tobacco use has continued to progress despite the COVID-19 pandemic, according to the

Stop thinking of COVID-19 vaccination as fail/not fail, advises The Atlantic’s Katherine J. Wu, and start thinking of a castle.   Using an elaborate, telling analogy of a castle’s protections, Wu explains how the body’s vaccine-fortified defenses work.