Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

After people started testing positive for hepatitis C in a coastal Florida town in December, state officials collected blood from patients, wrapped their specimens in dry ice and mailed them straight ...

Lab scientists at the Centers for Disease Control and Prevention had been analyzing blood samples for weeks to determine how dozens of patients across six states had become infected with viral ...