2011 Annual Report - Sacramento-Yolo Mosquito & Vector Control ...
2011 Annual Report - Sacramento-Yolo Mosquito & Vector Control ...
2011 Annual Report - Sacramento-Yolo Mosquito & Vector Control ...
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Microbial & Chemical <strong>Control</strong><strong>Mosquito</strong> and <strong>Vector</strong> <strong>Control</strong> OperationsThe District’s primary goal is to protect public health by managing immature and adult mosquitoesso they do not present a significant health risk to our community. In the event mosquito populationspose a threat or become a significant public nuisance, the District will respond by implementingits <strong>Mosquito</strong> and <strong>Mosquito</strong>-borne Disease Management Plan. This plan has been approved bythe District’s Board of Trustees. The following outlines the District’s response plan:Level I – Normal SeasonThe District performs routine mosquito, mosquito–borne disease and publichealth pesticide efficacy surveillance activities. The District also attendscommunity events, provides presentations and distributes outreach material tovarious community organizations.Level II – Positive Dead Bird and/or <strong>Mosquito</strong> PoolA response is initiated when the District’s Laboratory detects a mosquito-bornevirus [i.e., West Nile virus (WNV), Western Equine Encephalomyelitis WEE),St. Louis Encephalitis (SLE)] or when the California Department of Public Health(CDPH) notifies the District of a mosquito-borne virus from a dead bird(s) ormosquito pool(s) within the District’s boundaries.Need captionLevel III – Positive Sentinel Chicken/AnimalA response is initiated when the District’s Laboratory detects a sero conversionto a mosquito-borne virus (i.e., WNV, WEE or SLE) in a sentinel chicken(s) orwhen CDPH notifies the District of a mosquito-borne virus infected horse orother animal within the District’s boundaries.Level IV – Positive Human CaseA response is initiated when the <strong>Sacramento</strong>/<strong>Yolo</strong> County Public Health Laboratoryofficials notifies the District that a human has locally acquired a mosquito-bornevirus (i.e., WNV, WEE, or SLE) disease within the District’s boundaries.Level V – Multiple Human Cases, Epidemic ConditionsA response is initiated when County Public Health Laboratory or CDPH officialsnotifies the District that multiple mosquito-borne virus (i.e., WNV, WEE, or SLE)infections have occurred in humans within a specific area or there is evidence thatepidemic conditions exist. The epidemic area is defined as the geographic regionin which human cases are clustered (incorporated city, community, neighborhood,or zip code).District technicians treat mosquito breeding areaswhere needed.22 <strong>Sacramento</strong>–<strong>Yolo</strong> <strong>Mosquito</strong> & <strong>Vector</strong> <strong>Control</strong> District