into the summer. that's what my concern is. >> what are the current risks for unvaccinated people? >> well, you know, john, you can't give a numerical value to that because unvaccinated people has to be linked with where you are. if you are in an area where there's a considerable amount of viral dynamics, a lot of circulating virus in a community and you are unvaccinated and don't wear a mask, your risk clearly is higher than if you're in a situation where most of the people are vaccinated and the level of virus is very low. so you can't give a uni dimensional number of what a risk is. it's all relative to where you are and what the level of virus in the community is. >> let's talk about cruise ships because there's a fight right now in florida where cruise ship operators are trying to require vaccinations for passengers. governor ron desantis is fighting that requirement. how risky would it be to be on a boat filled with unvaccinated