Marc Diederichs and Reyn van Ewijk of the Chair of Statistics and Econometrics, together with their co-authors Ingo Isphording and Nico Pestel, were awarded the Science Award (“Wissenschaftspreis”) 2023 of the German Health Economics Association (DGGÖ). They received this prize for their paper “Schools under mandatory testing can mitigate the spread of SARS-CoV-2", which was published in the Proceedings of the National Academy of Sciences.