Fluorescent image of a human body louse with Yersinia pestis infection (orange/red) in the Pawlowsky glands. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...

Head lice are tiny bugs that attach themselves to body hair, according to the Centers for Disease Control and Prevention. “Head lice can be seen in the form of eggs, aka nits, along the hair ...

Medically reviewed by Ronald Lubelchek, MD Typhus fevers are a group of diseases caused by rickettsia bacteria infection. Typhus is transferred to humans by an infected animal. Typical carriers ...