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Journal of the American Veterinary Medical Association
Volume 250 | Issue 12 (June 2017)

Prevalence of serum antibody titers against canine distemper virus and canine parvovirus in dogs hospitalized in an intensive care unit.

J Am Vet Med Assoc. June 2017;250(12):1413-1418.
Jennifer L Mahon, Elizabeth A Rozanski, April L Paul


OBJECTIVE To determine the prevalence of dogs hospitalized in an intensive care unit (ICU) with serum antibody titers against canine distemper virus (CDV) and canine parvovirus (CPV). DESIGN Prospective observational study. ANIMALS 80 dogs. PROCEDURES Dogs hospitalized in an ICU for > 12 hours between February 1 and June 1, 2015, that had at least 0.25 mL of serum left over from diagnostic testing were eligible for study inclusion. Dogs with serum antibody titers > 1:32 (as determined by serum neutralization) and > 1:80 (as determined by hemagglutination inhibition) were considered seropositive for CDV and CPV, respectively. The date of last vaccination was obtained from the medical record of each dog. RESULTS Of the 80 dogs, 40 (50%) and 65 (81%) dogs were seropositive for CDV and CPV, respectively. Of the 40 dogs that were seronegative for CDV, 27 had been vaccinated against CDV within 3 years prior to testing. Of the 15 dogs that were seronegative for CPV, 3 had been vaccinated against CPV within 3 years prior to testing. Ten dogs were seronegative for both CDV and CPV. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated the prevalence of dogs hospitalized in an ICU that were seropositive for CDV and CPV was lower than expected given the high vaccination rate reported for dogs. Although the antibody titer necessary to prevent disease caused by CDV or CPV in critically ill dogs is unknown, adherence to infectious disease control guidelines is warranted when CDV- or CPV-infected dogs are treated in an ICU.

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