All three health districts in Southwest Virginia and their community partners will begin giving COVID-19 vaccines to individuals 16-64 years old who have underlying medical conditions on Monday.This includes the Mount Rogers, Cumberland Plateau, and Lenowisco health districts.“Those 16-64 with underlying medical conditions have been part of Phase 1b,” Dr. Karen Shelton, health director, said in a release Friday. “However with the increase in vaccine allocation through state allocation and federal pharmacy partnerships, and based on the number of vaccines already given to the 65 and older population, we have determined that there is sufficient vaccine at this time to begin vaccinating this population.