Incidence Rates of Poliomyelitis in Japan
Incidence Rates of Poliomyelitis in Other Countries In the US
Post-Polio Syndrome: General Aspects with a Report of The First National Survey in Japan
Compiled by Polio Association in Tokyo (President Mariko Koyama, koyama@mrg.biglobe.ne.jp)
Sources: White Papers from Ministry of Health and Welfare, and et al.
A. Kawakita, Infantile paralysis (1961), Iwanami Paperback Edition
*Disease Rate & *Mortality Rate: 1/100,000
1Administration of Salk vaccine was started.
2Urgent administration of Sabin vaccine
3Official polio-surveillance first started from September 1, 1947
4Last patients from the wild-type virus in Japan
Year |
No. of Patients |
Disease Rate* |
No. of Deceased |
Mortality Rate* |
Fatality Rate in Japan** |
1947 |
275 (3) |
-- |
1,009 |
-- |
-- |
1948 |
993 |
1.2 |
775 |
1 |
78.0 |
1949 |
3,127 |
3.8 |
1,074 |
1.3 |
34.3 |
1950 |
3,212 |
3.9 |
775 |
0.9 |
24.1 |
1951 |
4,233 |
5.0 |
570 |
0.7 |
13.5 |
1952 |
2,317 |
2.7 |
508 |
0.6 |
21.9 |
1953 |
2,286 |
2.6 |
441 |
0.5 |
19.3 |
1954 |
1,921 |
2.2 |
442 |
0.5 |
23.0 |
1955 |
1,314 |
1.5 |
314 |
0.4 |
23.9 |
1956 |
1,498 |
1.7 |
290 |
0.3 |
19.4 |
1957 |
1,718 |
1.9 |
255 |
0.3 |
14.8 |
1958 (1) |
2,610 |
2.8 |
243 |
0.3 |
9.3 |
1959 |
2,917 |
3.1 |
201 |
0.2 |
6.9 |
1960 |
5,606 |
6.0 |
319 |
0.3 |
5.7 |
1961 (2) |
2,436 |
2.6 |
188 |
0.2 |
7.7 |
1962 |
289 |
0.3 |
58 |
0.1 |
20.1 |
1963 |
139 |
0.1 |
27 |
0.05 |
19.4 |
1964 |
84 |
0.06 |
24 |
0.03 |
28.6 |
1965 |
76 |
0.05 |
28 |
0.05 |
36.8 |
1966 |
33 |
0.02 |
17 |
0.02 |
39.4 |
1967 |
26 |
0.02 |
16 |
0.02 |
15.4 |
1968 |
20 |
0.01 |
13 |
0.01 |
65.0 |
1969 |
16 |
0.01 |
12 |
0.01 |
75.0 |
1970 |
8 |
0.0 |
11 |
0.01 |
-- |
Sub-total |
37,154 |
7,610 |
|||
1971 |
6 |
0.0 |
8 |
0.01 |
-- |
1972 |
7 |
0.0 |
1 |
0.0 |
14.3 |
1973 |
6 |
0.0 |
4 |
0.0 |
66.7 |
1974 |
4 |
0.0 |
2 |
0.0 |
50.0 |
1975 |
4 |
0.0 |
3 |
0.0 |
75.0 |
1976 |
0 |
0 |
0 |
0 |
0 |
1977 |
0 |
0 |
0 |
0 |
0 |
1978 |
0 |
0 |
0 |
0 |
0 |
1979 |
0 |
0 |
0 |
0 |
0 |
1980 |
2 (4) |
0.0 |
0 |
0 |
0 |
1981 |
2 |
0.0 |
0 |
0 |
0 |
1982 |
1 |
0.0 |
0 |
0 |
0 |
1983 |
0 |
0 |
0 |
0 |
0 |
1984 |
0 |
0 |
0 |
0 |
0 |
1985 |
1 |
0.0 |
0 |
0 |
0 |
1986 |
0 |
0 |
0 |
0 |
0 |
1987 |
2 |
0.0 |
0 |
0 |
0 |
1988 |
0 |
0 |
0 |
0 |
0 |
1989 |
0 |
0 |
0 |
0 |
0 |
1990 |
0 |
0 |
0 |
0 |
0 |
1991 |
0 |
0 |
0 |
0 |
0 |
1992 |
0 |
0 |
0 |
0 |
0 |
1993 |
3 |
0.0 |
0 |
0 |
0 |
1994 |
1 |
0.0 |
0 |
0 |
0 |
1995 |
1 |
0.0 |
0 |
0 |
0 |
1996 |
0 |
0 |
0 |
0 |
0 |
1997 |
0 |
0 |
0 |
0 |
0 |
1998 |
0 |
0 |
0 |
0 |
0 |
Totals |
37,194 |
7,628 |
