Rodent Surveillance

Overview

Rodent Surveillance

A captured Peromyscus maniculatus mouse is checked for ticks.
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Rodent-Borne Disease Surveillance at San Bruno Mountain
Disease Surveillance Update

The District conducted two wild rodent disease surveys on San Bruno Mountain this year, and all test results have been received.  Each survey consisted of 100 Sherman traps placed along trails, targeting wild mice.  The first survey resulted in fifteen captured Peromyscus maniculatus mice and the second survey resulted in eleven captured P. maniculatus mice.

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Hantavirus Surveillance Results, May 2016

During May, District staff, in conjunction with the California Department of Public Health, trapped and tested rodents for Sin Nombre hantavirus in areas of Montara, CA. Each rodent was anesthetized, then measured and checked for parasites. Laboratory staff then drew blood for the hantavirus antibody test. After recovering from anesthesia, each rodent was carefully released at the exact location where it was trapped. Staff tested a total of 13 mice.

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Hantavirus Surveillance Results, March 28th & 29th

On March 28th and 29th, District staff, in conjunction with the California Department of Public Health, trapped and tested rodents for Sin Nombre hantavirus at San Bruno Mountain State & County Park. Each rodent was anesthetized, then measured and checked for parasites. Laboratory staff then drew blood for the hantavirus antibody test. After recovering from anesthesia, each rodent was carefully released at the exact location where it was trapped. Staff tested a total of 15 mice.

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Hantavirus Surveillance

On November 14th, District staff, in conjunction with the California Department of Public Health, trapped and tested rodents for Sin Nombre hantavirus at San Pedro Valley County Park.  Staff set 100 traps and caught twenty six rodents in them.  Each rodent was anesthetized, then measured and checked for parasites.  Laboratory staff then drew blood for the hantavirus antibody test.  After recovering from anesthesia, each rodent was carefully released at the exact location where it was trapped.  Staff tested a total of twenty four mice.  Test results showed that

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