Diego Bassani, PhD 🏠😷 sur Twitter : “Interesting new pre-print from Italy looking at the changes in doubling time of infections after school reopening last September. It compares the growth rates of daily new confirmed cases before and after a switch into exponential growth.” / Twitter
▻https://twitter.com/DGBassani/status/1380653399016890369
70% of all regions had a change in slope within 28 days of reopening - with a mean time of 16 days - or approximately 2 weeks. As can be seen below, the changes are very clear and happened regardless of the pre-reopening trends.