South Africa’s sugar tax is working, reducing sugary drink purchases by 28% since 2018, offering a key means to address the country’s sky-high levels of diabetes and obesity.  But still:

Possible ancestors of SARS-CoV-2 have been found in 3 coronaviruses in horseshoe bats that inhabit limestone caves in northern Laos, according to a not-yet-peer-reviewed article by Laotian and French researchers.  

Rising sea levels, water scarcity and declining crop productivity could displace 216 million people within their own countries by 2050—hitting the world’s poorest countries the hardest, a World Bank report released this week shows.    

Indoor residual spraying of insecticides is a tried-and-true method of malaria control—but a costly one, making scalability and sustainability a challenge. A new study of An. gambiae mosquitoes in 8 communities in northern Ghana found that partial spraying—targeting only…

Who, if anyone, needs a COVID-19 booster shot, and when? The debate is far from settled.   In a high-stakes meeting tomorrow, FDA advisors will give their non-binding recommendation on whether to approve Pfizer’s booster application, STAT reports.    

Nigeria is in the throes of one of the worst cholera outbreaks it’s seen in years—with nearly 70,000 cases so far this year–-while its health system is consumed with the COVID-19 fight, the AP reports.   The numbers, shared Monday by the Nigeria CDC:

There’s been plenty of alarm about vaccine breakthrough infections—but how likely are they, really?   Based on recent US data from recent weeks, it looks like around 1 in 5,000, according to estimates from Utah, Virginia, and King County, Washington, all of which have…

One in every 100 deaths is a suicide—and in at least 20 countries, that’s considered a crime, The Guardian reports, according to a new United for Global Mental Health report released ahead of today’s World Suicide Prevention Day.  

AmeriCorps and the CDC launched a new program yesterday to recruit and train the next generation of public health leaders in the US yesterday.   The boost, funded by a $400 million investment from the American Rescue Plan Act, aims to fund up to 5,000 positions over the…

Amid yet another season of record-breaking wildfires in the Northern Hemisphere, a major study has measured wildfire smoke’s global toll: More than 33,000 deaths per year across 43 countries.   That includes 3,000+ respiratory-related deaths and almost 7,000 cardiovascular…