Posted in Uncategorized Bird flu virus shows mutations in first severe human case in US, CDC says December 27, 2024 The CDC said the patient’s sample showed mutations in the hemagglutinin (HA) gene, the part of the virus that plays a key role in it attaching to host cells. https://nypost.com/2024/12/27/us-news/us-cdc-bird-flu-research-finds-mutations-in-first-severe-human-case/