a parent. you have to look after your children. but you can do some things to lower the risk they will get infected. masks, ventilation, filtration. >> one other thing -- thank you for that for all the parents out there. one other question from a viewer named mary. my friend wants to visit over the holiday. only received the j&j shot. is that okay? >> yeah, so the j&j shot unfortunately is not working so great at blocking infection in people exposed to delta or omicron. it is still working well at stopping poor outcomes but basically the way it looks is they don't have any better protection than a person unvaccinated. you have to look at the risk. if someone wants to come visit you, you can put testing before hand, but if you've got a vaccinated household the way that my household works now is we've redefined what risky is. we have sort of understood with