normally occur. there is about 10 to 20 cases of this heart problem in general, preet covid, and pre-vaccine. 10 to 20 cases per 100,000. the question is is the rate of this complication or disease occurrence going to be higher than we would expect even with the absence of vaccines? i m not worried. i think it will be a low rate that follows vaccines, and not at all related to whether you get the vaccine or not. doctor irwin red liner has been our guest again tonight. we remain grateful for your expertise and for taking our questions. thank you for coming on. coming up for us, americans on the move again like it is 2019. a memorial day preview, when we