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Table 5 Comparison of Hepatitis A Seroprevalence Rate by Age in the Taipei Area in Different Studies before 1982

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

Age Hwang et al. (1975-1976) [16] Age Sung et al. (1976) [3] Age Wu et al. (1979) [6]
(years) Year of birth Case/Total Rate (%) (years) Year of birth Case/Total Rate (%) (years) Year of birth Case/Total Rate (%)
1 1974-1975 5/302 1.6 5-9 1967-1971 2/15 13.3 1-3 1976-1978 13/115 11.3
2 1973-1974 2/121 1.7 10-14 1962-1966 17/22 77.3 4-6 1973-1975 21/144 14.6
3 1972-1973 1/32 3.1 15-19 1957-1961 13/16 81.3 7-9 1970-1972 34/162 21.0
4 1971-1972 4/34 11.8 20-29 1947-1956 18/20 90.0 10-12 1967-1969 57/132 43.2
5 1970-1971 5/34 14.7 30-39 1937-1946 17/18 94.4 13-15 1964-1966 81/131 61.8
6 1969-1970 5/32 15.6 40-49 1927-1936 14/14 100.0 16-18 1961-1963 46/72 63.8
7-8 1967-1969 5/28 17.9 50+ 1926- 12/12 100.0 19-24 1955-1960 126/155 81.3
9-10 1965-1967 7/27 25.9      25-29 1950-1954 8/8 100.0
11-12 1963-1965 13/26 50.0      30-39 1940-1949 31/31 100.0
13-14 1961-1963 37/43 86.0      40-49 1930-1939 64/66 97.0
15-19 1956-1961 46/50 92.0      50-78 1901-1929 134/139 96.4