Comment on Dehning et al (Science, 15 May 2020, eabb9789: Inferring change points in the spread of COVID-19 reveals the effectiveness of interventions)

Dehning et al. (Science, 15 May 2020: eabb9789) report change points in the growth rate of SARS-CoV-2 infections that promptly respond to non-pharmaceutical interventions (NPIs). We challenge their findings on methodological and empirical grounds.