|
|
|
|||||
 |
||||||
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
|
|
|