Pa. teacher and his 3-legged therapy dog make a difference at Doylestown Hospital

DOYLESTOWN, Pennsylvania (WPVI) -- We're Philly Proud of a local science teacher and his three-legged therapy dog who visit Doylestown Hospital every week to provide comfort and encouragement to the patients and staff.

Jerry Fetter, who teaches science at Council Rock High School, started volunteering with Boomer about a year and a half ago. They are just one pair among dozens who have participated in the therapy dog program at Doylestown Hospital.

Watch the video above to learn more about Boomer's backstory and how he is serving a new purpose.

RELATED: South Jersey nonprofit 'Paws Healing Heroes' pairs service dogs with veterans in need