Henrico hosts second walk-up COVID-19 vaccination event Health districts changing methods as vaccine supply outpaces the demand Henrico hosts second walk-up COVID-19 vaccination event By Karina Bolster | April 29, 2021 at 12:25 PM EDT - Updated April 30 at 7:44 PM HENRICO COUNTY, Va. (WWBT) - According to the Virginia Vaccine Coordinator, there is enough supply available to vaccinate as many people as possible, but the demand is dropping significantly. More than 30% of the Commonwealth is fully vaccinated, per data released Friday. However, a drop in registrations has left local health district revising their ways of getting shots into arms. On Thursday, Richmond & Henrico Health District spokeswoman Cat Long said the supply and demand for a COVID-19 vaccine were starting to even out. It is why on Friday the clinic at the Richmond Raceway opened to walk-ups.