Analysis of influenza transmission in the households of primary and junior high school students during the 2012–13 influenza season in Odate, Japan

Table 1 The number and percentages of reported influenza cases among surveyed households

	No. of respondents (%^a)
Households responding to survey	363
Households with at least one influenza case	356 (98.1)
Households with a single influenza case	202 (56.7)
Households with ≥2 cases	154 (43.3)
2 cases	93 (26.1)
3 cases	47 (13.2)
4 cases	10 (2.8)
5 cases	4 (1.1)

^a The percentage for households with at least one influenza case was calculated as the proportion to households responding to survey. Others were calculated as the proportion to households with at least one influenza case

ISSN: 1471-2334