Dr. Lobelo says, it is important to remember that family gatherings can drive the spread of the virus, especially in households where certain members are not vaccinated. "We know on average 70% of household members who aren't vaccinated are going to catch the virus if someone brings it home," Lobelo says. "It doesn't matter if it's a kid or it's an adult." So, he recommends taking some some basic precautions, including wearing masks. "If you're going to be gathering at home with people you don't typically gather with, that you don't know their vaccination status, you all need to wear...