Table 4.

Age characteristics of the household cohort

Ages (years)	Number (%) positive for flavivirus IgG at baseline/total number tested
< 5	1/5 (20.0)
5–9	6/25 (24.0)
10–14	16/37 (43.2)
15–19	16/43 (37.2)
20–24	17/35 (48.6)
25–29	14/17 (82.4)
30–34	14/24 (58.3)
35–39	16/21 (76.2)
40–44	30/36 (83.3)
45–49	18/24 (75.0)
50–54	16/18 (88.9)
55–59	19/22 (86.4)
60–64	10/11 (90.1)
65–69	7/8 (87.5)
≥ 70	17/20 (85.0)
Total	217/346 (62.7)