#H5N1 #mutation {E627K in PB2} detected in #US dairy #herds prompts #caution on #pandemic potential, https://www.chinadaily.com.cn/a/202503/13/WS67d287d2a310c240449daa18.html
SACRAMENTO, the #USA -- Scientists are sounding the alarm about a concerning genetic mutation of the #H5N1 bird flu virus, recently identified in four dairy cow herds, as this mutation could increase the risk of mammal-to-mammal transmission and disease severity.