 There are growing concerns about those workers after a multi-state outbreak in dairy cows. Three workers have been infected since March. A University of Georgia-based startup will launch a nasal COVID vaccine trial this fall. Sarah Lee Kessler with more. CyanVac LLC has received funding from Project NextGen, a federal initiative based in the U.S. Department of Health and Human Services. The new vaccine, well, that's based on a viral delivery platform.