Summary of the key findings of factors influencing the impact of school closures, as reflected by the predicted reduction in the peak incidence and the cumulative attack rate.

* Some ineligible studies suggest that very large reductions in contact may be less beneficial than smaller reductions [60], [61].部分不符合纳入标准的研究表明，大幅减少接触的获益可能小于小幅减少接触的获益[60], [61]。