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

 

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