If you're looking for an update on the status of H5N1 bird flu, from a joint @USDA, @CDCgov, and @US_FDA joint session, it's in the new Ground Truths (link in profile) pic.twitter.com/W5oLyoOk80

This isn't good, folks. I'm not worried about H5N1 transmission to humans (yet) but the @USDA pathetic lack of transparency, how long it took for the genomes to be released, lack of testing asymptomatic cattle...... All detracts from "confidence" pic.twitter.com/XbjIcXGLbB

With the spread of H5N1 - and ongoing risk from other potentially pandemic pathogens - we must push against the rising narrative that pandemics are easy to solve. New post: kucharski.substack.com/p/the-comfort-of-simplicity

The H5N1 outbreak in dairy cows may be much much more extensive than has been reported. Nearly 40% of pasteurized milk tested from throughout the Midwest (38/150 samples) had evidence of H5N1 RNA. To prevent a pandemic, we have to get this under control.…