Daily school absence prevalence (years 7–11), weekly influenza like illness consultation rates to sentinel general practices in England (all ages), and weekly proportion of samples positive for influenza A & B (all ages) from Respiratory Datamart.

<p>Fig 2 note: data underlying this graph are available at UCL Discovery.[<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0146964#pone.0146964.ref014" target="_blank">14</a>]</p

Univariable linear regression models examining association between weighted school absence prevalence (years 7–11) and surveillance data for respiratory infections and Norovirus.

<p>Univariable linear regression models examining association between weighted school absence prevalence (years 7–11) and surveillance data for respiratory infections and Norovirus.</p

Number of schools submitting absence data each week.

<p>Number of schools submitting absence data each week.</p

Daily school absence prevalence (years 7–11) and the weekly proportion of samples positive for RSV and Rhinovirus from Respiratory Datamart.

<p>Fig 3 Note: Rhinovirus data for weeks 40 (69%) and 41 (55%) in 2011/12 season plotted at 50% to preserve axis scales. Data underlying this graph are available at UCL Discovery.[<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0146964#pone.0146964.ref014" target="_blank">14</a>]</p

Daily school absence prevalence (years 7–11) and the weekly number of laboratory confirmed cases of Norovirus.

<p>Fig 4 Note: Data underlying this graph are available at UCL Discovery.[<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0146964#pone.0146964.ref014" target="_blank">14</a>]</p