Children are commonly infected through a cut, scrape or insect bite, but they can also develop impetigo without having any notable damage to the skin.

CNN: Impetigo

Nnamabia smiled, his face more beautiful than ever, despite the new pimple-like insect bite on his forehead, and said that he had slipped his money into his anus shortly after the arrest.

NEWYORKER: Cell One

It begins as a raised itchy bump that resembles an insect bite, but soon turns into a painless ulcer, usually one to three centimeters in diameter usually with a black center in the middle.

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The cause of Chagas disease is the parasite Trypanosoma cruzi, which is transmitted to humans from a bite from an insect known as the triatomine bug.

CNN: Chagas disease