How common is heartworm in dogs in the UK?
Arielle Bode
2025-07-30 16:41:07
Count answers
: 16
Can dogs become infected in the UK, this is unlikely as, although we do have the mosquito that transmits the infection, high environmental temperatures for a sustained period of time are required for development of the parasite in the mosquito. For this reason, mosquitoes in the UK are not able to transmit the infection. However, these conditions are met in Mediterranean counties where the risk of infection is high. Some dogs with low worm numbers may not have any symptoms. The parasite can be found in the blood in most cases. In cases where there are only a small number of worms, the tests can be negative even though the dog is infected.
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