Trident welcomes pet volunteers for the first time in a year VIDEO: Trident welcomes pet volunteers for the first time in a year By Danielle Seat and Riley Bean | March 10, 2021 at 6:59 AM EST - Updated March 10 at 8:09 AM CHARLESTON, S.C. (WCSC) - Trident Medical Center is welcoming dozens of volunteers and pet therapy animals for the first time since last March. The hospital says they will be rolling out the red carpet Wednesday to help celebrate their return. Trident Medical Center Nurse Manager Dominique Mackins says it’s more important than ever to bring them back for the patients.