School closures, public event bans & workplace closures were most effective in reducing the rate of spread of the coronavirus in a new study of nonpharmaceutical interventions across 131 countries, .
Study of effect of imposing and lifting #COVID19 measures in 131 countries. Reopening schools was associated with a 24% increase in the reproduction number (R) after 28 days. This was the second-largest increase, after lifting bans of gatherings (25%).
Voor wie ⁦⁩ zag en geïnteresseerd is in de Lancet studie waar ik het over had. The temporal association of introducing and lifting non-pharmaceutical interventions ... - The Lancet Infectious Diseases
The temporal association of introducing and lifting non-pharmaceutical interventions with the time-varying reproduction number (R) of SARS-CoV-2: a modelling study across 131 countries
Es gibt erste Analysen (noch nicht peer-reviewed): Epidemiologische Wirkung - Wirtschaftliche Effekte -
Paper on effects of introducing & lifting non-pharmaceutical interventions: "An increasing trend over time in the R ratio... was significant only for school reopening [...] and lifting bans on public gatherings of more than ten people [...]."