From: School-based surveillance of acute infectious disease in children: a systematic review
First Author & year of publication | Outbreak threshold / alert | Time period of breach |
---|---|---|
Chu 2013 [52] | Exceedance based on C2-MEDIUM methoda OR > 5% all-cause absenteeismb | Single day Single day |
Kom Mogto 2012 [49] | ≥10% ILI-related absenteeism | Single day |
Lenaway 1995 [45] | > 7.5% illness absence | Single week average |
Mann 2011 [41] | ≥8% all-cause absenteeism AND 1 SD above 30 day mean | Single day |
Suzue 2012c [50] | > 2% ILI-related absenteeism | Single day |
Williams 2013 [42] | > 10% all-cause absenteeism > 5% ILI-related absenteeism | 2 or more consecutive school days |