Zombie-esque squirrels covered in oozing, wart-like tumors have been invading backyards across the United States and the reason behind the deformities is likely caused by the species’ version of herpes, according to experts. The grotesque-looking gray squirrels have been increasingly photographed this summer in US states, including Florida, North Carolina, and Michigan, the Daily Mail reported , citing a flurry of social media posts reporting the bizarre sightings. “What is going on with the