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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Nat Commun. 2013;4:1935. doi: 10.1038/ncomms2922

Figure 1. Risk of infection and illness in household contacts.

Figure 1

Cumulative hazards of confirmed influenza A virus infections presenting with fever plus cough or not presenting with fever plus cough, in household contacts in 275 and 507 households in Hong Kong and Bangkok, respectively. Increases in the risk of confirmed infection with fever plus cough, and decreases in the risk of confirmed infection without fever plus cough, are particularly apparent in the intervention arms compared to the control arm in Bangkok.