The Henrico community that's proven the most difficult to vaccinate is the one that sits within eyesight of the region’s most successful vaccination hub, where more than 150,000 doses of vaccine have been administered. That irony, though, may not be surprising. The communities adjacent to the Richmond Raceway, where Henrico and Virginia Department of Health officials have been holding mass vaccination events for more than three months and which just this week surpassed that 150,000-vaccination mark, are among the most vulnerable in the county. Overwhelmingly, residents of Census tract 2008.05 (a 1.9-square-mile area that extends from just south of Laburnum...