questions. the first one being, if you're getting together with friends or family, what should you do? when do you test? >> yeah. good morning, erica. so if you're getting together with friends and family, testing is really about getting those rapid tests and doing it immediately before actually getting together. the day before doesn't really work with the rate at which this virus goes from nondetectable to detectable and infectious. so testing immediately before if you can get your hands on rapid tests, the day before if you can only do pcr, and turning them around in 24 hours. >> what if you're getting together with people who are not vaccinated? let's talk about children under 5 who aren't eligible for a vaccine. should you change the way you interact even if you are boosted and vaccinated? >> people have had the chance to decide what you're going to do, are you getting vaccinated, not getting vaccinated, boosted or