The US recently marked one year since H5N1 avian flu was first confirmed in dairy cattle, which occurred in a herd from Texas. The new study is part of an effort to flesh out the extent of previous influenza A infection in cattle. Until the H5N1 outbreak in US dairy cows, cattle weren’t typically considered a natural host of influenza A viruses. No H5N1 found; both cattle sexes affectedNone of the samples were positive for H5N1 avian influenza/bird flu, which the group said was surprising. Also, APHIS has reported 24 more H5N1 detections in mammals, including 11 in domestic cats.