i do think it would be difficult, right? these devices are used around the world and to change regulations and require additional testing is going to be a lot of work and a lot of expense so i think it is critical for government leaders too, sort of, set the tone and set a new standard because, yeah, ithink set the tone and set a new standard because, yeah, i think it is going to be work but i think it is absolutely necessary work. doctor michael from absolutely necessary work. doctor michael from the absolutely necessary work. doctor michael from the university - absolutely necessary work. doctor michael from the university of- michael from the university of michigan, thank you very much for talking to us. we now have the latest government coronavirus figures for today and the government has said that a further 61 people have died within 28 days of testing positive for covid 19 as of today. that brings the total number of people who have died to 143,927. separate figures published