
In a session at the 2026 Fetch National Harbor conference, Nathanael Oster, VMD, MBA, walked attendees through the biology, diagnosis, and treatment of the flea tapeworm in dogs and cats, including why cats are affected more often than dogs.
The promise of genetic testing to detect infection.
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“The results of the study indicated that the real-time PCR assay detected at least six leptospiral serovars (canicola, icterohaemorrhagiae, grippotyphosa, pomona, bratislava and hardjo) that are pathogenic in dogs, and that the assay is able to detect organisms in canine urine samples.”
-Bethany Howe, DVM, and Diane Monsein Levitan, VMD, DACVIM


