Rising Concerns Over 'Zombie' Squirrels and Other Mutant Animals in North America
Originally Published 4 months ago — by Forbes
The appearance of 'zombie squirrels' in the U.S. and Canada is due to squirrel fibromatosis, a benign tumor caused by leporipoxvirus infection, which results in lumps on squirrels' bodies. While alarming, these tumors often regress over time and do not significantly threaten squirrel populations or humans, with transmission mainly through insect bites or contact among squirrels.