The U.S. has reported its first death due to bird flu, aka H5N1. How deadly is H5N1? Experts discuss bird flu fatality rate ...
The patient had been hospitalized with the first human case of highly pathogenic avian influenza (HPAI), or H5N1, in Louisiana.
Another measure is the case fatality rate. This is the ratio of deaths to confirmed cases - of those who tested positive for coronavirus, how many have died? President Trump has said: "Our case ...