and some mosquitoes can carry yellow fever, malaria, and dengue fever. When a mosquito bites a person who has dengue virus in his or her blood, the mosquito becomes infected with the dengue virus.
I'm talking about bug bites, not your uncle. First stop, the bee. There it is piercing the skin with its stinger. Ouch. Then it flies off, leaving the stinger and a tiny venomous sac behind.