The Latest Breaking News from Michael Osterholm

Multidrug-resistant E. coli were found in 40% of store-bought meat samples tested in one Spanish city in 2020, according to data that will be presented this weekend at the European Congress of Clinical Microbiology & Infectious Diseases in Copenhagen.

It’s never been more important for clinicians to ensure that the antibiotics they’re prescribing are appropriate, one expert tells Fortune—and for patients to understand that if their provider isn’t prescribing antibiotics, it may be for good reason.

ATLANTA -- As of Feb. 24, Atlanta’s Centers for Disease Control and Prevention estimated 25 million illnesses, 280,000 hospitalizations and 18,000 deaths from the flu this season. With that in mind, the CDC also reported that influenza activity is low nationwide as of Feb. 18. The virus certainly made an…

A new U.S. government assessment that COVID-19 likely originated from a lab leak in China is sure to add fuel to House oversight hearings into the pandemic's origins and have a bearing on future funding for the National Institutes of Health.

COVID is still killing about 500 Americans every day — picking off the oldest, frailest members of our society. About 9 in 10 COVID deaths are now among people over 65.

The main reason the surge is ebbing now, pandemic experts suspect, is the significant immunity many people in the U.S. have acquired from prior infections and COVID vaccinations many received.

They will not affect global infection numbers or new variant spread but might be pushing an opaque China to open up.

CH.1.1 is an Omicron with a concerning Delta mutation—not quite a "Deltacron," but still potentially concerning, experts say.

When the virus does make the leap to humans, it’s highly fatal, with a mortality rate greater than 50%.

The case comes amid “a rising epidemic of sexually transmitted disease” in the U.S., a public health expert told Fortune.

It would make more sense to screen a plane's wastewater to look for new variants than to screen individual passenger volunteers, some researchers say. Others say any information is helpful.