Participants paid up to $1,000 in new flu vaccine clinical trial launching in Myrtle Beach

FILE - A registered nurse prepares a dose of a Monkeypox vaccine at the Salt Lake County Health Department Thursday, July 28, 2022, in Salt Lake City. U.S. health officials on Tuesday, Aug. 9, 2022, authorized a new monkeypox vaccination strategy designed to stretch limited supplies by allowing health professionals to vaccinate up to five people — instead of one — with each vial. (AP Photo/Rick Bowmer, File)