Erm. Parasites which feed upon humans, were with us as we evolved. Mosquitoes, noseeums have been with us from the start! If you live in a place without them

Erm. Parasites which feed upon humans, were with us as we evolved. Mosquitoes, noseeums have been with us from the start! If you live in a place without them, you are living where humans shouldn't, for mosquitoes thrive in environments where humans thrive.