Adult: The adult louse is about the size of a sesame seed, has six legs, and is tan to grayish-white. In persons with dark hair, the adult louse will look darker. Females lay nits; they are usually larger than males. Adult lice can live up to 30 days on a person's head.
The four tick-borne diseases are 1) borreliosis (including Lyme disease and related conditions), 2) Rocky Mountain spotted fever, 3) ehrlichiosis, and 4) tularemia, which is also known as rabbit fever.
Follow @TIMEHealth. A new tick borne illness that is similar to Lyme disease, with symptoms including fever and muscle pain, are being reported among people in the U.S. for the first time this year.The bacteria, called Borrelia miyamotoi is relatively new and is one of five newly identified diseases spread by deer ticks.ollow @TIMEHealth. A new tick borne illness that is similar to Lyme disease, with symptoms including fever and muscle pain, are being reported among people in the U.S. for the first time this year.