The most hazardous bug species for humans, mosquitoes carry diseases including dengue, malaria, and Zika that affect millions of people annually throughout the world.
In Sub-Saharan Africa, African trypanosomiasis, also known as sleeping sickness, is spread by tsetse flies and is a fatal disease that can cause brain damage and even death if left untreated.
The bubonic plague, which caused the Black Death and a large amount of Europe's population to perish in the fourteenth century, was carried by fleas.
Known by another name, kissing bugs, they are the carriers of Chagas disease, a potentially fatal heart and digestive system ailment that is common throughout Latin America.
Primarily found in tropical and subtropical areas, sandflies carry leishmaniasis, a parasite disease that can result in lethal visceral infections or skin sores.
Onchocerciasis, also known as river blindness, is a parasitic condition that mostly spreads through black flies and causes skin irritation, vision loss, and blindness in African nations.
Epidemic typhus is a potentially fatal bacterial disease that has historically produced widespread epidemics during wars and unsanitary settings. Lice are known to transmit the disease.