For the next few days, Virginians who are eligible for the COVID-19 vaccine but who haven’t yet pre-registered for it won’t be able to do so. That’s because the Virginia Department of Health is implementing a new statewide pre-registration system that will replace the individual systems created by local health districts statewide (which are extensions of the VDH) and is shutting down the local systems in order to gather, sort and de-duplicate all existing information and then load it into the new system. The new version will take effect at 8 a.m. Tuesday everywhere except in the state’s largest locality,...