Heartworm Map 2025. Protect all dogs from heartworm infection by using preventives year round. Our forecasts are for heartworm, ehrlichia, anaplasma, and lyme.
The capc parasite prevalence maps are designed to show the proportion of pets tested which test positive for a given infection using available assays. According to ahs, these updated guidelines serve as the most comprehensive and rigorously researched piece of guidance on heartworm epidemiology;