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. 2013 Jun 12;68(10):2324–2331. doi: 10.1093/jac/dkt203

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Figure 1. — Weekly incidence of ILI per 100 000 population in England and Wales, and influenza A(H1N1)pdm09 laboratory detections from sentinel GP practices (RCGP) and hospitals in England. The containment (pale grey) and treatment-only (dark grey) phases of the UK pandemic strategy are highlighted. Virological sampling sources, through the different community care facilities during the pandemic in England, are also shown—from GP only (pre-pandemic/early first wave) to GP plus NHS Direct (NHSD) (first wave) or GP plus NPFS (second wave), and back to GP only after week 6 of 2010 (after the second wave).