These are visible arthtopods which parasitize man and are easily spead from person to person under croweded conditions. The body louse is a vector for epidemic typhus caused by Rickettsia prowazeik. Spreads when louse faeces are rubbed into membrane of eye or mouth. Relapsing fever is caused by Borrelia recurrentis through louse bite. Washing clothing and bedding in hot water.
Authorities recommend malathion, carbaryl or pyrethroid lotions.
Dermacentor Ticks spread disease through biting their host. Over 111 species of triatominae bugs and over 90 are known to be infected with trypanosomes T. Cruzi. Also called Chagras Disease. Persons bitten by various bed bugs are likely to contract this disease. Those bitten by infected insect may have chancre.