What Is Dirofilariasis and Why Is It Dangerous For Your Dog?


Dirofilariasis is potentially deadly disease which is caused by Dirofilaria immitis (heartworm) – parasitic worms from the group of nematodes (roundworms).

It infects dogs, cats and other mammals like wolves, foxes, ferrets and, in rare cases, people.

The dirofilariasis occurs in all areas of Bulgaria as the frequency of the disease is up to 16% (1, 2) of the population of dogs and the problem escalates more and more because of the low level of prophylaxis.

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