Hundreds of Canadian geese have been found dead this winter in Owatonna, Albert Lea, Waseca and other southern Minnesota cities.

Any time a person catches H5N1, or bird flu, their infection is a chance for the virus to mutate in the wrong direction. When someone dies from the bird flu—as an elderly Louisiana man did on Jan. 6,

Arizona currently has no confirmed human cases of bird flu, although two Pinal County workers were exposed through infected poultry in December.

With reports of the first human death from bird flu in the US, some Americans are feeling an uncomfortable flashback to the early days of Covid-19, when infectious disease experts were talking about a new virus that was sending people to the hospital with respiratory infections.

The CDC says the risk of bird flu to the general public is low, but public health experts say they are worried the virus could mutate and become more transmissible.