In the big scheme of things, it’s the mosquito. These blood-sucking pests don’t pose a danger by themselves, but their bites can transmit microscopic organisms that cause infectious diseases including Eastern equine encephalitis and dengue. Scientists believe that, over the course of history, mosquitoes have killed more human beings worldwide than any other animal species.
Photograph by Sean McCann, University of Florida.
What’s more, some mosquito species pose a threat to dogs, by transmitting the dog heartworm. Read more about how to protect your furry friends.
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