Epizootiologic association between feline immunodeficiency virus infection and feline leukemia virus seropositivity

N. D. Cohen From the Departments of Large Animal Medicine and Surgery (Cohen) and Veterinary Public Health (Carter, Thomas), College of Veterinary Medicine, and the Texas Veterinary Medical Diagnostic Laboratory (Carter, Lester, Eugster), Texas Veterinary Medical Center, Texas A&M University, College Station, TX 77843.

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C. N. Carter From the Departments of Large Animal Medicine and Surgery (Cohen) and Veterinary Public Health (Carter, Thomas), College of Veterinary Medicine, and the Texas Veterinary Medical Diagnostic Laboratory (Carter, Lester, Eugster), Texas Veterinary Medical Center, Texas A&M University, College Station, TX 77843.

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M. A. Thomas From the Departments of Large Animal Medicine and Surgery (Cohen) and Veterinary Public Health (Carter, Thomas), College of Veterinary Medicine, and the Texas Veterinary Medical Diagnostic Laboratory (Carter, Lester, Eugster), Texas Veterinary Medical Center, Texas A&M University, College Station, TX 77843.

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T. L. Lester From the Departments of Large Animal Medicine and Surgery (Cohen) and Veterinary Public Health (Carter, Thomas), College of Veterinary Medicine, and the Texas Veterinary Medical Diagnostic Laboratory (Carter, Lester, Eugster), Texas Veterinary Medical Center, Texas A&M University, College Station, TX 77843.

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A. K. Eugster From the Departments of Large Animal Medicine and Surgery (Cohen) and Veterinary Public Health (Carter, Thomas), College of Veterinary Medicine, and the Texas Veterinary Medical Diagnostic Laboratory (Carter, Lester, Eugster), Texas Veterinary Medical Center, Texas A&M University, College Station, TX 77843.

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Summary

Five hundred twenty-one feline serum samples submitted to the Texas Veterinary Medical Diagnostic Laboratory between Nov 1, 1988, and Jan 31, 1989 were tested for antibody to feline immunodeficiency virus (fiv) by use of an elisa. The prevalence of fiv infection in this population was 11.3% (95% confidence interval: 8.6 to 14.0%). Serologic test results for FeLV were available for 156 of the 521 cats. A significant (P = 0.008) association between fiv infection and FeLV seropositivity was observed; FeLV-positive cats were nearly 4 times more likely to be seropositive for fiv than were FeLV-negative cats. The association remained statistically significant (P = 0.021) after adjusting for age and gender, using multiple-logistic regression analysis.

Summary

Five hundred twenty-one feline serum samples submitted to the Texas Veterinary Medical Diagnostic Laboratory between Nov 1, 1988, and Jan 31, 1989 were tested for antibody to feline immunodeficiency virus (fiv) by use of an elisa. The prevalence of fiv infection in this population was 11.3% (95% confidence interval: 8.6 to 14.0%). Serologic test results for FeLV were available for 156 of the 521 cats. A significant (P = 0.008) association between fiv infection and FeLV seropositivity was observed; FeLV-positive cats were nearly 4 times more likely to be seropositive for fiv than were FeLV-negative cats. The association remained statistically significant (P = 0.021) after adjusting for age and gender, using multiple-logistic regression analysis.

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