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Figure 1 | BMC Infectious Diseases

Figure 1

From: Teacher led school-based surveillance can allow accurate tracking of emerging infectious diseases - evidence from serial cross-sectional surveys of febrile respiratory illness during the H1N1 2009 influenza pandemic in Singapore

Figure 1

Data derived from clinic-based indicators of epidemic activity from epidemiological week 25 to 40 (21 June 2009 to 10 October 2009). A) GP-ILI data, expressed as ILI consults per GP per week. B) Lab-ILI data, expressed as weekly proportion of ILI samples positive for pdmH1N1. C) Composite indicator of GP*Lab-ILI (by epidemiological week) which gives the estimated ILI consults per GP per week attributable to pdmH1N1 influenza.

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BMC Infectious Diseases

ISSN: 1471-2334

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