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 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 ] ] ] ] ]), the reproduction numbers fluctuate on a level below one. Conclusions: The decline of infections in early March 2020 can be attributed to relatively small interventions and voluntary behavioral changes.