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Prevalence of FeLV and FIV in Canada

Sep 21, 2009
Little S, Sears W, Lachtara J et al: Seroprevalence of feline leukemia virus and feline immunodeficiency virus infection among cats in Canada, Can Vet J 50:644, 2009.

Feline leukemia virus (FeLV) and feline immunodeficiency virus (FIV) are two of the most important infectious diseases of cats worldwide. Many studies have evaluated the prevalence of FeLV and FIV in North American cats, but very little data has been available for Canada. Veterinary clinics, animal shelters, cat rescue programs, and feral cat programs in Canada were invited to participate in the study. Enrolled participants were requested to submit the results of FeLV and FIV testing performed between Aug. 1 and Nov. 15, 2007. Information collected on each cat tested included location of testing, age, gender, access to outdoors, and whether the cat was ill at the time of testing. A total of 343 vet clinics and 13 shelters/rescue groups representing all Canadian provinces participated. Complete results were received for 11,144 cats of which 4.3% were positive for FIV and 3.4% were positive for FeLV. The seroprevalence of FeLV and FIV in this study was higher than in a recent similar study of predominantly US cats (FIV 2.5%, FeLV 2.3%). [SL]
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Related articles:
Little SE: Feline immunodeficiency virus testing in stray, feral, and client-owned cats of Ottawa, Can Vet J 46:898, 2005.
>> Free, full text article

Levy JK, Scott HM, Lachtara JL et al: Seroprevalence of feline leukemia virus and feline immunodeficiency virus infection among cats in North America and risk factors for seropositivity, J Am Vet Med Assoc 228:371, 2006.
>> PubMed Abstract
feline immunodeficiency virus retrovirus FeLV feline leukemia virus FIV

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