Influx of heartworm-positive dogs and lack of prevention compliance cited as leading factors
APEX, NC – A first glance at the 2022 Heartworm Incidence Map from the American Heartworm Society (AHS) might suggest that heartworm rates have stayed steady over the past three years.Dig a little deeper, however, and it’s clear that rates have continued to trend upward in both heartworm “hot spots” and in locales where heartworm cases were once rare.