Risk calculator for Covid infections via aerosols

Strong and extremely relevant work from the MPI for Chemistry: a calculator that helps to estimate the risk of infection when a highly infectious carrier of Covid-19 is sitting in a room:

Especially for the face-to-face teaching for our freshmen, it is reassuring to see that the probability of another person in the lecture hall becoming infected is less than 0.5%, even if the highly infectious person has asked a loud question. For the private sector, the examples on the website are highly interesting – at the bottom of the website the probabilities for the different scenarios are immediately displayed.