Heartworm doesn’t just happen. If your dog or cat is suffering from heartworm symptoms, they had to have picked it up from somewhere. Like many other parasites, heartworms reach adulthood via a multi-stage life cycle in which they are transmitted between a few different creatures, further aiding in their rapid proliferation.
If you expect to protect your pet against the threat of heartworm, it helps to know how they work. This infographic will help.
The Heartworm Life Cycle
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