Chiggers are the larval (juvenile) form of a common mite from the family known as Trombiculidae. Chiggers are found worldwide in areas of vegetation like forests, fields, grassy areas, yards, parks, and areas near rivers or lakes. Chigger bites cause small, red sores and intense itching. In North America, chiggers do not spread diseases to humans, but in Asia, some chigger species transmit scrub typhus (a febrile illness caused by Orientia (formerly Rickettsia) tsutsugamushi, an obligate intracellular gram-negative bacterium).
Medically Reviewed by a Doctor on 6/30/2014
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