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Monitoring infected dogs after a canine brucellosis outbreak
Eduardo Reynes1, Gustavo López, Sandra M Ayala
1Antropozoonosis Centre, Veterinary and Preventive Medicine Division, Senador Ferro 1950, 1650 Tres de Febrero, Buenos Aires, Argentina.
Summary
This study investigated a canine brucellosis outbreak, confirming a common source linked to Brucella canis (B. canis) in pets and owners. Some dogs required further treatment, highlighting the zoonotic risks and need for public health measures.
Area of Science:
- Veterinary Medicine
- Infectious Diseases
- Zoonotic Diseases
Background:
- Canine brucellosis outbreaks are common in kennels.
- A recent outbreak involved pets and their owners, necessitating further investigation.
Purpose of the Study:
- Confirm a common source for the canine brucellosis outbreak.
- Evaluate the clinical progression of infected dogs post-intervention.
- Assess the epidemiological link between animal and human cases.
Main Methods:
- Variable Number of Tandem Repeat (VNTR) analysis for bacterial strain typing.
- Clinical monitoring of four affected dogs.
- Survey of 41 animals from the affected area.
Main Results:
- VNTR analysis confirmed B. canis isolates from humans and canine pups shared a common source.
- Two dogs remained bacteremic after initial antibiotic treatment.
- B. canis was isolated from the urine of one dog, indicating its role in disease spread.
Conclusions:
- The outbreak stemmed from a common source, with B. canis transmission between dogs and humans.
- Persistent bacteremia and urinary shedding underscore the challenges in treating canine brucellosis.
- Public health strategies, including stray dog control and education, are crucial to mitigate zoonotic risks.
