Fig. 1From: Delta and Omicron: protective measures and SARS-CoV-2 infections in day care centres in Germany in the 4th and 5th wave of the pandemic 2021/2022Sum of infection n per ECEC centres N over time per wave. Source: ECEC centre registry, average number of infections (n) in children, parents and staff in ECEC centres (N) per week, (n/N per week), own calculationsBack to article page