中国日报网15h
Jurassic bird fossils found in Fujian rewrite history of avian evolution
A set of fossils discovered in East China's Fujian province has been identified as the only known unambiguous record of ...
Delayed CDC report shows increased evidence of bird flu spread to people
The report is the latest evidence that the outbreak in dairy herds is spreading undetected in cows, and the spillover into ...
Bird flu infections in dairy cows are more widespread than we thought, according to a new CDC study
A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working ...
Bird flu infections went undetected in veterinarians, CDC study shows
Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by federal and state disease ...