Rise in delta variant leaves local health leaders concerned The Richmond and Henrico Health Districts are seeing an increase in the delta variant. While these cases may be a small percentage for the time being, in just two weeks the number of cases has doubled. and last updated 2021-07-16 18:51:47-04 RICHMOND, Va. -- As the summer heat continues to move up numbers on the thermometer, other rising numbers have left health experts in the area concerned. The Richmond and Henrico Health Districts are seeing an increase in the delta variant. While these cases may be a small percentage for the time being, in just two weeks the number of cases has doubled.