Wart-Like Squirrels Spotted Across US Backyards, Baffle Experts

Squirrels in several U.S. states have been seen with oozing, wart-like tumors caused by squirrel fibromatosis, a disease linked to Lepripoxvirus. The infections usually don’t hinder survival and often clear in four to eight weeks, though they can spread in crowded groups. The virus isn’t contagious to humans or pets, but experts urge people not to handle affected animals and suggest removing bird feeders to reduce gatherings.