Staff interviewed 14,535 households with 22,066 household members (mean 1.5 persons per household). Seven hundred fiftytwo (3.4%) of the 22,066 household members reported a history of ILI during the month before the interview. The ILI case patients had a median age of 20 years (IQR 7-40 years) and 339 (45%) of 752 were male (Table 4 ). Of ILI case-patients with available data, 50 had asthma, 47 had chronic obstructive pulmonary disease, 22 had diabetes, and 13 had obesity. Nine of 164 women aged 15-50 