Model-based projections for COVID-19 outbreak size and student-days lost to closure in Ontario childcare centres and primary schools - August 2020
“In summary, the simulations suggest that there is considerable risk associated with the 15 children-per-class proposal vs Cohorts of 10. (The Province is now allowing Child Care Centres to move to pre-COVID-19 ratios in September.) A lower ratio better mitigates the risk of outbreaks – especially one that considers sibling groupings.”