H5N1 bird flu has infected growing numbers of people worldwide in recent years, but this week saw something new: the first recorded human case of an H5N5 avian influenza virus. What is this virus and ...
A sample of screwworms are displayed at a veterinary clinic in Tapachula, Chiapas state, Mexico on July 4. The U.S. Department of Health and Human Services on Sunday reported the first human case in ...
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