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Table 6 Comparison of Hepatitis A Seroprevalence Rate by Age in the Taipei Area in Different Studies after 1982

From: Decrease in seroprevalence of Hepatitis A after the implementation of nationwide disposable tableware use in Taiwan

Age Hsu et al. (1984) [17] Tzen et al. (1989) [13] Tseng et al. (1999) [14]
(years) Year of birth Case/Total Rate (%) Year of birth Case/Total Rate (%) Year of birth Case/Total Rate (%)
1-2 1982-1983 1/84 1.2 1987-1988 1/184 0.5 1997-1998 3/206 1.5
3-4 1980-1981 2/189 1.1 1985-1986 0/179 0 1995-1996 1/92 1.1
5-6 1978-1979 2/226 0.9 1983-1984 0/234 0 1993-1994 2/123 1.6
7-8 1976-1977 12/206 5.8 1981-1982 0/163 0 1991-1992 1/55 1.8
9-10 1974-1975 6/146 4.1 1979-1980 0/134 0 1989-1990 0/0 --
11-12 1972-1973 20/187 10.7 1977-1978 8/160 5.0 1987-1988 2/62 3.2
13-14 1970-1971 14/103 13.6