Before revision:  Using dates of infection estimated from official case data, exponential growth models for infections and reproduction numbers were estimated and investigated with respect to change points . Clear evidence is found of a decline of infections at the beginning of March, which ] ]  ] ] ] can be attributed to relatively small interventions and voluntary behavioral changes.
After revision:  Using dates of infection estimated from official German case data by incorporating the incubation period and an empirical reporting delay. Exponential growth models for infections and reproduction numbers were estimated and investigated with respect to change points . Clear evidence is found of a decline of infections at the beginning of March, which ] ] ] ] ] can be attributed to relatively small interventions and voluntary behavioral changes.