/ Elephant seals Content for ºÙºÙÊÓƵ en /health/news/elephant-seal-colony-declines-one-year-after-avian-flu-outbreak A year after an outbreak of H5N1 killed thousands of elephant seals, only about a third of the seals normally expected here returned, ºÙºÙÊÓƵ scientists and partners estimate. A study chronicles the 2023 outbreak. November 11, 2024 - 2:00am Katherine E Kerlin /health/news/elephant-seal-colony-declines-one-year-after-avian-flu-outbreak /health/news/h5n1-increasingly-adapting-mammals Highly pathogenic H5N1 avian influenza viruses are adapting to mammals in new ways that could have global consequences. ºÙºÙÊÓƵ study finds clear evidence of mammal-to-mammal transmission. June 05, 2024 - 9:45am Katherine E Kerlin /health/news/h5n1-increasingly-adapting-mammals