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Vector-Borne and Zoonotic Diseases Program

Arizona Plague Data & Statistics

TABLE 1 - CASES OF PLAGUE, ARIZONA 1950-2000
Year County Month of Onset Age Outcome
1950 Apache July 14 survived
1963 Apache December 28 died
1966 Navajo July 7 survived
1967 Coconino June 5 survived
1968 Navajo July 8 survived
1972 Coconino February 19 survived
1973 Gila July 9 survived
1975 Navajo May 31 survived
1975 Navajo May 2 survived
1975 Yavapai June 23 survived
1976 Coconino February 15 survived
1976 Coconino May 16 survived
1976 Navajo July 12 survived
1976 Apache July 16 survived
1977 Coconino June 23 survived
1977 Navajo August 15 survived
1977 Coconino September 16 survived
1978 Coconino April 23 survived
1978 Apache July 15 survived
1979 Navajo April 34 survived
1979 Navajo April 7 survived
1979 Yavapai April 13 survived
1981 Navajo May 72 survived
1981 Coconino August 3 survived
1981 Navajo November 2 survived
1981 Navajo December 58 survived
1982 Coconino May 78 survived
1982 Coconino July 4 survived
1982 Coconino August 55 survived
1982 Apache December 16 survived
1983 Coconino April 39 survived
1983 Coconino May 22 survived
1983 Apache May 18 died
1983 Coconino May 58 survived
1983 Coconino May 65 died
1983 Apache June 57 survived
1983 Apache June 5  died
1983 Apache July 44 survived
1983 Apache July 14 survived
1983 Navajo August 14 survived
1984 Apache May 29 died
1984 Apache September 43 survived
1986 Apache August 6 survived
1987 Yavapai February 35 died
1987 Apache November 9 survived
1988 Mohave June 36 survived
1991 Yavapai July 45 survived
1992 Apache July 67 survived
1992 Apache July 2 survived
1992 Apache August 14 survived
1992 Pima (contracted in Colorado) August 31 died
1994 Coconino April 47 survived
1994 Navajo May 38 survived
1994 Navajo May 53 survived
1994 Apache May 8 survived
1994 Coconino July 30 survived
1995 Apache June 31 survived
1996 Navajo July 18 died
1996 Navajo August 16 survived
1997 Navajo September 70 died
1998 Navajo August 40 survived
2000 Apache May 9 survived
2007 Apache September 46 survived
2007 Coconino October 37 died
Total number of cases as of November 20, 2007 = 64

TABLE 2 - NATIVE AMERICAN AND NON-NATIVE AMERICAN PLAGUE CASES IN ELEVEN AGE GROUPS AND BY SEX, ARIZONA, 1950-2000
Age (yeasrs) Native American Non-Native American All Groups
  Male Femaile Total Male Female Total Male Female Total
<5 1 4 5 0 0 0 1 4 5
5-9 6 3 9 0 1 1 6 4 10
10-14 3 2 5 0 1 1 2 4 6
15-20 7 1 8 3 0 3 10 1 11
20-29 2 0 2 2 2 4 4 2 6
30-39 2 2 4 3 2 5 5 4 9
40-49 3 2 5 2 0 2 5 2 7
50-59 1 3 4 1 0 1 2 3 5
60-69 2 0 2 0 0 0 2 0 2
70-79 0 3 3 0 0 0 0 3 3
>79 0 0 0 0 0 0 0 0 0
Total 26 21 46 11 6 17 37 27 64

TABLE 3
GENERAL DEMOGRAPHIC PROFILE OF ARIZONA PLAGUE CASES (N=64)
Category Number of Cases Percent
Males 38 59.4
Females 26 40.6
Whites 14 21.9
Hispanics 3 4.7
Native American 47 73.4
TABLE 4
COUNTY PROFILE OF ARIZONA PLAGUE CASES (N=64)
County Number of Cases Percent
Apache 21 32.8
Coconino 18 28.1
Gila 1 1.6
Mohave 1 1.6
Navajo 18 28.1
Pima 1 (contracted in Colorado) 1.6
Yavapai 4 6.3
Totals 64 100

TABLE 5 - ARIZONA CASES OF PLAGE BY YEAR AND MONTH, 1950-2007
Year Month of Onset Total
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec  
1950             1           1
1963                       1a 1a
1966             1           1
1967           1             1
1968             1           1
1972   1                     1
1973             1           1
1975         2 1             3
1976   1     1   2           4
1977           1   1 1       3
1978       1     1           2
1979       2 1               3
1981         1     1     1 1 4
1982         1   1 1       1 4
1983       1 42a 21a 2 1         103a
1984         1a       1       21a
1986               1         1
1987   1a                 1   21a
1988           1             1
1991             1           1
1992             1 31a         41a
1994       1 3   1           5
1995           1             1
1996               21a         21a
1997                 11a       11a
1998               1         1
2000         1               1
2007                 1 1     2
Total 0 31a 0 5 153a 71a 13 112a 41a 1 2 31a 649a

a Indicates fatal case.