PITTSBURGH (KDKA) – Veterinarians are warning pet owners to take precautions as a highly contagious strand of bird flu is spreading across the country. The virus was detected on a chicken farm in Lehigh County this week. In the last several weeks, its also been found in wild snow geese in eastern Pennsylvania. Even though we call it the bird flu, other animals can catch it. “The one that we’re most concerned about is the one that’s called H5N1. This virus particularly is considered to be a highly pathogenic avian strain. And it can spill over into mammals,” said…..