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Table 2 HBV infection status in North Korean travelers

From: Epidemiology survey of infectious diseases in North Korean travelers, 2015–2017

Age HBV immunization HBV active infection HBV past infection HBV negative
(year) (N) (%) (N) (%) (N) (%) (N) (%)
0–10 7 46.67 0 0.00 0 0.00 8 53.33
11–20 16 0.54 18 0.61 4 0.13 2899 98.71
21–30 51 0.54 195 2.07 15 0.16 9175 97.23
31–40 3 0.12 94 3.52 14 0.52 2563 95.85
41–50 15 0.63 101 4.23 22 0.92 2249 94.22
51–60 17 1.73 58 5.91 9 0.92 898 91.44
61–70 3 4.84 0 0.00 4 6.45 55 88.71