Volume 3, Number 2—June 1997
Dispatch
Seroepidemiologic Studies of Hantavirus Infection Among Wild Rodents in California
Table 2
Prevalence of antibodies to Sin Nombre virus among Peromyscus maniculatus by county, California, 1975-1995
County | No. survey sites | No.tested | No.pos. | % pos. | |
---|---|---|---|---|---|
COASTAL | |||||
Alameda | 2 | 6 | 1 | 16.7 | |
Contra Costa | 1 | 36 | 0 | 0.0 | |
Del Norte | 2 | 19 | 0 | 0.0 | |
Los Angeles | 10(8) | 112(71) | 13(11) | 11.6(15.5) | |
Marin | 2 | 153 | 3 | 2.0 | |
Mendocino | 1 | 13 | 0 | 0.0 | |
Monterey | 2 | 52 | 5 | 9.6 | |
Orange | 8 | 52 | 3 | 5.8 | |
San Diego | 32 | 131 | 7 | 5.3 | |
San Francisco | 1 | 30 | 0 | 0.0 | |
San Luis Obispo | 2 | 4 | 0 | 0.0 | |
San Mateo | 1 | 40 | 8 | 20.0 | |
Santa Barbara | 6(2) | 294(81) | 86(7) | 29.3(8.6) | |
Sonoma | 1 | 7 | 0 | 0.0 | |
Ventura | 5(3) | 137(9) | 0(0) | 0.0(0.0) | |
SUBTOTAL | 76(68) | 1086(704) | 126(45) | 11.6(6.4) | |
INLAND/VALLEY | |||||
Imperial | 1 | 2 | 1 | 50.0 | |
Riverside | 10 | 57 | 0 | 0.0 | |
Sacramento | 1 | 36 | 0 | 0.0 | |
San Bernardino | 4 | 49 | 0 | 0.0 | |
San Joaquin | 1 | 7 | 0 | 0.0 | |
SUBTOTAL | 17 | 151 | 1 | 0.7 | |
FOOTHILLS/MOUNTAINS | |||||
Butte | 12 | 115 | 14 | 12.2 | |
El Dorado | 1 | 25 | 0 | 0.0 | |
Glenn | 1 | 4 | 0 | 0.0 | |
Inyo | 2 | 3 | 1 | 33.3 | |
Kern | 5 | 66 | 7 | 10.6 | |
Mariposa | 1 | 46 | 7 | 15.2 | |
Mono | 8 | 107 | 17 | 15.9 | |
Nevada | 1 | 52 | 26 | 50.0 | |
Placer | 2 | 29 | 2 | 6.9 | |
Plumas | 4 | 35 | 1 | 2.9 | |
Shasta | 3 | 30 | 4 | 13.3 | |
Siskiyou | 4 | 117 | 12 | 10.3 | |
Tehama | 1 | 35 | 5 | 14.3 | |
Tulare | 1 | 20 | 2 | 10.0 | |
SUBTOTAL | 46 | 684 | 99 | 14.5 | |
TOTAL | 139 | 1921 | 226 | 11.8 |
*Numbers in parentheses exclude the Channel Islands in Los Angeles (Catalina, San Clemente), Santa Barbara (San Miguel, Santa Barbara, Santa Cruz, Santa Rosa), and Ventura (Anacapa, San Nicolas) counties.