that doesn t mean the risk doesn t exist. and the bottom line is that the more virus is in circulation anywhere in the world, the more cases that we re seeing, the more chances that a random mutation may lead to an advantage and emergence of a new variant. every new case is a lottery ticket for the virus to produce a variant, so we need to remain vigilant about that. but at the moment, delta remains dominant everywhere. i like the way you put that. a lottery ticket issue. i have been this thing has been very complicated. a lot of people have been trying to put their hands around it, and it s important to be able to lean on experts like you dr. peter droebeck, thank you very much. some european countries are seeing a backlash against covid restrictions. in italy people protesting the so-called green pass requirements for work there s took effect on friday. the pass shows proof of vaccination, a negative test result, or recent recovery from the virus.