Astrophysics and epidemiology – how do they go together? The contact between the Center for Space and Habitability CSH and the Institute for Social and Preventive Medicine ISPM was established in 2018, as Kevin Heng, director of CSH, explains: «Oscar Franco, who was the new director at ISPM then, and I had various discussions to explore a possible collaboration. Christian Althaus was also present at one of these meetings. That's how we met.» The COVID-19 pandemic then expedited the collaboration between astrophysicist Heng and epidemiologist Althaus to such an extent that they were not only jointly involved in two studies on COVID-19, but they have now institutionalized the cross-faculty collaboration on the new INPUT platform. ...