All I want for Christmas is… Covid? Our twenty-something son came home for the holidays with the sniffles and we had him take a home Covid test, which came up positive. He’s going to the health department today for a formal test, but it does appear that we have an uninvited guest in the house. My wife, 16-year-old son, and myself are not vaccinated. We are going to keep our distance and take some basic precautions. We will also be consulting our MD for advice and get ourselves tested after a suitable incubation period. We are taking zinc, vitamin D,...