Crowded, multi-generational homes have become tinderboxes for COVID-19 transmission among Latinos in San Francisco. In the hyper-gentrified Mission District, some single rooms are occupied by 10 people; individuals pay $300 a month to live in a closet.  

A flurry of research is identifying patterns that set apart COVID-19 patients who are prone to deadly immune system overreactions. During these “cytokine storms,” molecules leading the first line of immune defense fail to stand down so that antibodies and T cells can take…

While the world awaits a vaccine, drugmakers—and the US government—are throwing resources behind a potential stop-gap solution: custom antibodies designed to fight COVID-19.   Grown in bioreactor vats, these monoclonal antibodies are copies of naturally occurring proteins…

Even as the pandemic is making it hard for low- and middle-income countries to keep children on schedule with their vaccines, new modeling shows astounding returns on investment in vaccines.   

The US has just 4% of the world’s population but an estimated quarter of its confirmed COVID-19 cases and deaths.   Despite the country’s considerable advantages, its response was built on woefully unstable foundations, Ed Yong reports. “Shredded” social safety nets, a…

The WHO has completed its initial scoping mission to China on the origins of SARS-CoV2, CIDRAP reports, setting the stage for a deeper epidemiological investigation.

Iran’s COVID-19 deaths are almost triple the health ministry’s official reports—suggesting deliberate suppression of data, according to a BBC Persian Serviceinvestigation.

When residents of Grays Ferry—a tight-knit Black community in Philadelphia—started counting, they tallied dozens of loved ones who’d had cancer, many of them unusually young. The common denominator was a 150-year-old refinery looming over their community. In 2016, it was…

Contact tracing, an early hope for containing the coronavirus, is failing in some US states.

Some people who have not been exposed to SARS-CoV-2 may still have some immunity to it—and not because they have antibodies.