Charlotte Jackson , Punam Mangtani, Emilia Vynnycky, Katherine Fielding, Aileen Kitching, Huda Mohamed, Anita Roche, and Helen Maguire
Author affiliations: Author affiliations: London School of Hygiene and Tropical Medicine, London, UK (C. Jackson, P. Mangtani, K. Fielding); Health Protection Agency, London (E. Vynnycky, A. Kitching, A. Roche, H. Maguire); Health Protection Agency, Birmingham, UK (H. Mohamed)
Figure 2. Number of contacts made by students with persons in different categories and the changes associated with school closures. A) total contacts overall and with students and adults; B) contacts with persons in different categories at school and in different age groups outside school; C) absolute reductions in numbers of contacts with persons in different groups associated with school closure; D) relative reductions in numbers of contacts with persons in different groups associated with school closure. In (A) and (B), large black markers indicate the mean number of contacts; small gray markers indicate individual data points; circles indicate data for when the school was open (n = 41), crosses indicate data for when the school was closed (n = 73). In (C) and (D), error bars indicate 95% confidence intervals.
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