Reported Lyme Disease Cases by County of Residence, California, 1996-2005

Vector-Borne Diseases in California, Annual Report 2005, California Department of Health Services, Vector-Borne Disease Section

Reported Lyme disease cases by county of residence,
California, 1996-2005.
                                                      Incidence/
                                                      100,000
County        '96 '97 '98 '99 '00 '01 '02 '03 '04 '05 person-yrs
Alameda         2   3   6   3   4   3   5   1   0   5   0.22
Alpine          0   0   0   0   0   0   0   0   0   0   0.00
Amador          0   0   0   1   0   1   0   0   0   0   0.57
Butte           4  53  13  18   3   1   3   2   2   0   4.84
Calaveras       0   0   0   0   1   0   0   0   0   0   0.25
Colusa          0   0   0   0   0   0   0   0   0   0   0.00
Contra Costa    1   6   2   1   1   5   3   4   0   4   0.28
Del Norte       0   1   0   1   0   0   2   0   0   0   1.44
El Dorado       0   3   2   1   0   0   0   0   3   3   0.75
Fresno          1   0   0   0   1   0   0   0   0   0   0.02
Glenn           0   2   0   1   1   0   0   0   0   0   1.50
Humboldt        5  19  20  14  10   4   4   5   7  11   7.80
Imperial        0   1   0   0   0   0   0   0   0   0   0.07
Inyo            0   0   0   0   0   1   0   0   0   0   0.55
Kern            1   2   2   2   2   0   2   1   0   2   0.21
Kings           0   0   0   0   0   0   0   0   0   0   0.00
Lake            0   1   2   1   0   1   0   1   1   1   1.36
Lassen          0   2   1   2   0   0   2   0   0   0   2.04
Los Angeles     2   6   3   7   2   9   6   7   2   9   0.05
Madera          0   0   0   1   0   0   0   0   0   0   0.08
Marin           0   4   8   4   3   1   4   4   0   1   1.25
Mariposa        0   0   0   0   0   0   1   0   1   0   1.17
Mendocino       3   2  16   8   7   4  11   6   2   0   6.90
Merced          0   2   0   1   1   0   0   0   0   0   0.19
Modoc           0   0   0   0   0   0   0   0   0   0   0.00
Mono            1   0   0   1   0   0   0   3   1   0   4.67
Monterey        0   2   1   2   1   0   5   1   1   0   0.32
Napa            1   3   0   2   2   3   3   0   1   1   1.28
Nevada          2   1   4   5   9   6   3   4   1   3   4.12
Orange          0   0   1   2   3   0   3   2   0   1   0.04
Placer          0   5   4   2   1   4   3   0   2   2   0.92
Plumas          3   0   2   1   0   1   0   0   0   0   3.37
Riverside       1   0   0   0   3   2   1   2   1   4   0.09
Sacramento      0   5   1   1   3   4   1   4   2   6   0.22
San Benito      0   0   0   0   0   1   1   0   0   0   0.37
San Bernardino  0   0   0   1   1   0   0   2   0   0   0.02
San Diego       5   4   0  16   9   3   7   2   4   8   0.20
San Francisco   4   1   7   1   2   3   3   3   1   7   0.42
San Joaquin     1   2   0   0   0   0   0   0   0   0   0.05
San Luis Obispo 1   0   1   1   1   0   0   0   0   1   0.20
San Mateo       2   3   4   4   2   4   4   5   1   4   0.46
Santa Barbara   1   1   3   0   0   1   2   2   2   0   0.30
Santa Clara     2   4   6   2   2   2   6   4   0   2   0.18
Santa Cruz      2   2   2   2   5   9   1   8   3   0   1.32
Shasta          1   0   2   0   0   2   1   0   2   2   0.61
Sierra          0   0   0   0   0   0   0   0   0   0   0.00
Siskiyou        0   1   1   0   0   1   1   0   0   0   0.89
Solano          0   0   0   0   1   1   0   0   0   0   0.05
Sonoma         13  10  15  14   8   6   4   9   2   9   1.95
Stanislaus      3   1   0   0   1   1   0   0   0   1   0.16
Sutter          0   1   0   0   1   1   0   0   0   0   0.38
Tehama          0   1   1   0   2   0   0   0   0   0   0.72
Trinity         1   0   1  13   1   1   1   1   3   3  19.23
Tulare          1   0   1   1   0   2   0   2   0   0   0.19
Tuolumne        1   0   0   0   0   2   1   0   0   1   0.91
Vetura          0   0   2   1   2   2   1   1   2   1   0.16
Yolo            0   0   0   0   0   0   2   0   1   0   0.18
Yuba            0   0   1   1   0   0   0   0   0   0   0.33
Total          65 154 135 139  96  92  97  86  48  94   0.30