Strains of H5N1 avian influenza continue to pop up in birds around the country, with authorities reporting infections in both domestic and wild animals, including some wild mammals.
Officials in Washington state late this week confirmed two more outbreaks among flocks of birds there, stating that the infections were found in non-commercial backyard flocks of poultry.
Michigan’s Department of Natural Resources, meanwhile, said the infection had been detected in three wild baby red foxes which subsequently died from the illness.
“At this point, it is unclear how the fox kits became infected, but it’s possible that they were exposed by consuming infected birds, such as waterfowl,” DNR Veterinarian Megan Moriarty told media.
Moriarty predicted additional infections in mammals in the state but said “they likely will be isolated cases.”
Another baby fox reportedly died in Minnesota after testing positive for avian flu, as did two in Ontario, Canada.
Three wild red foxes in Wisconsin also reportedly tested positive for the virus, with officials stating that they likely ate infected birds in the wild.