- Bird flu begins its human spread, as health officials scramble to safeguard people and livestock Fortune
- CDC calls for expanded testing for bird flu after blood tests reveal more farmworker infections The Associated Press
- Bird flu infections in dairy workers went undetected, new study shows CNN
- CDC expands avian flu testing for farm workers, notes 7% infection rate in those exposed to infected cows University of Minnesota Twin Cities
- Many human infections with ‘cow flu’ are going undetected Science