so can you see new wave coming in with ba.2 and a need to bring back these restrictions and how difficult will it be to put those restrictions back in place? you are making an essential point, zwjohn. the ba.2 itself, the data are pretty positive for not having anything that is vaccine resistant that is really escaping immune system any different than the omicron sister ba.1. and not very virulent. not more disease causing. although, there was a study from a very reputable lab in japan that suggested in in the animal model that it could be concerning but we don t have any good evidence, yet, to be afraid of ba.2. it really is behaving much more like the aoriginal omicron ba.1. however, there will be likely because we have so many billions of people out there who have not been vaccinated, immunocompromised people who can have the virus evolve within them. massive animal reservoirs of the