A man in the United States is severely ill with a strain of bird flu-H5N1-never before detected in humans,health officials have confirmed. The case, currently under examination to determine the source of infection, marks a concerning advancement in the ongoing global spread of avian influenza.While H5N1 is a relatively common strain in the US, typically affecting wild birds and poultry since 2022, this particular variation presents a novel threat.The difference lies in a protein on the virus’s surface. Since last year, 71 human cases of H5 bird flu have been recorded in the US, with one fatality reported in louisiana in January. Globally,the UK has recorded 81 cases,confirmed across regions including Cumbria,Lincolnshire,Norfolk,Suffolk,Scotland,and Wales.
Symptoms of bird flu in humans include high fever, cough, sore throat, and body aches. Health officials are working to understand how the man became infected and to assess any potential for wider transmission. The case underscores the continued risk posed by avian influenza and the importance of ongoing surveillance and preventative measures.
