sentinel animal

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sen·ti·nel an·i·mal

an animal deliberately placed in a particular environment to detect the presence of an infectious agent, such as a virus.

An animal susceptible or sensitive to a particular environmental factor—e.g., a toxin, pathogen, radiation—whose illness or death serves to warn humans of an impending danger

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Selected pieces of wax-embedded spinal cord tissue from the sentinel animal were extracted and postfixed in 2.

Divergent astrovirus associated with neurologic disease in cattle

Local WNV surveillance networks collected and tested for WNV or antibodies specimens from human and veterinary patients, dead birds, captive sentinel animals (mostly chickens), wild-caught birds, and mosquitoes.

West Nile Virus activity -- United States, 2001

On May 3, 2007, the first sentinel animal in the program (4-year-old Holstein Friesian cow, North-Rhine Westphalia, Germany) tested positive for BTV antibodies and genomes in a regional laboratory (Krefeld, Germany).

Bluetongue virus serotype 8 reemergence in Germany, 2007 and 2008

dagger]) Day 0 was defined as the day the sentinel animals arrived at the farm in Nyakatonzi (Kasese District).

Foot-and-mouth disease virus serotype SAT 3 in long-horned Ankole Calf, Uganda

Carnivores such as dogs and foxes, which prey on rodents and eat their fresh carcasses, are valuable sentinel animals for plague serosurveillance in disease-endemic foci, although their infections are usually asymptomatic (2,3).

Serologic survey of plague in animals, Western Iran

Because bacteremia among hosts from Zielonka was frequent (range 12%-26%) and boars are quite abundant in Europe, they could be used as sentinel animals for detecting A.

Wild boars as hosts of humanpathogenic anaplasma phagocytophilum variants

After each natural infection, sentinel animals seroconverted, and serum scored positive in the cNP-ELISA within 2-4 weeks.

Ducks as sentinels for avian influenza in wild birds

Use of sentinel animals has been suggested as a cost-effective way to infer prevalence in host populations when direct estimation in such populations is difficult (13).

Sentinel-based surveillance of coyotes to detect bovine tuberculosis, Michigan

Virus isolations from sentinel animals and genetic characterizations of these strains indicated continuing circulation of a subtype IE genotype, which was isolated from equines during the recent VEE outbreaks.

Venezuelan equine encephalitis virus, southern Mexico

These findings in turn raised questions about factors involved in human susceptibility, risks of pesticide exposure, efficacy of mosquito control, the value of sentinel animals in surveillance, and the roles played by various species in virus transmission and amplification.

West Nile virus Southeast Conference (1). (Conference Summary)

These data include reports of WNV-infected mosquitoes, sentinel animals, dead birds, and ill humans and horses (5).

Early-season avian deaths from West Nile virus as warnings of human infection. (Dispatches)

Captive sentinel animals, compared to all other arbovirus surveillance systems, provide more precise data on the location and time in which virus transmission has occurred.