my biggest concern for the united states is the fact that we re about to undergo yet another big winter delta wave that s going to rifle through an unvaccinated population in the upper midwest and the rest of the country, just like it did in texas in the south. and we re seeing it in michigan, actually. the federal government has now sent help to overloaded hospitals in michigan. peter, you are a vaccine expert, which is why you sort of answered the question in your answer. but this thing was discovered very, very recently. to what degree do we know, and you said maybe by next week, we ll have some sense, about whether increased doses, boosters, or modulated vaccines are the answer to this? how quickly can we make those determinations? i think pretty quickly. what you do is you take serum or blood for either a vaccinated laboratory animal or a