Stage 2020.

Study characteristics
Methods	Descriptive Modelling
Participants	Country: Denmark, Germany, Norway, Sweden WHO region: EURO Participants: general population Setting: primary school, secondary school
Interventions	Organizational Measures reducing opportunity for contacts Phased reopening of schools
Outcomes	Transmission‐related outcomes Number and growth rate of cases (daily) Healthcare utilization Number and growth rate of hospitalizations (daily) Follow‐up: 1‐2 months
Notes