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Fig. 2 | BMC Public Health

Fig. 2

From: COVID-19 surveillance in the Flemish school system: development of systematic data collection within the public health school system and descriptive analysis of cases reported between October 2020 and June 2021

Fig. 2

Absolute difference in reported COVID-19 cases per week per 100,000 compared to grade 7–8. Pre-school: age 2.5-5yo, grade 1-2: 6&7 yo, grade 3-4: 8&9 yo; grade 5-6: 10&11 yo; grade 7-8: 12&13 yo; grade 9-10: 14&15yo; grade 11-12: 16&17yo; yo: years old, intended age of pupils on January 1th while in the corresponding grade

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BMC Public Health

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