Heartworms are transmitted via mosquitoes, like malaria. Heartworms also very rarely establish themselves in humans, as they are not adapted to our circulator

Heartworms are transmitted via mosquitoes, like malaria. Heartworms also very rarely establish themselves in humans, as they are not adapted to our circulatory system. Certain roundworms and hookworms, on the other hand are fecal-born and will cross-infect into humans.