Arthropod-borne diseases in homeless.

摘要: Homeless people are particularly exposed to ectoparasite. The living conditions and the crowded shelters provide ideal for spread of lice, fleas, ticks, mites. Body lice have long been recognized as human parasites although typically prevalent in rural communities upland areas countries close equator, it is now increasingly encountered developed especially homeless or inner city economically deprived population. Fleas widespread but not adapted a specific host may occasionally bite humans. Most common fleas that parasite humans cat, rat, Ctenocephalides felis, Xenopsylla cheopis, Pulex irritans, respectively. Ticks belonging family Ixodidae, particular, genera Dermacentor, Rhipicephalus, Ixodes, frequent Sarcoptes scabiei var. hominis mite (Arachnida class) responsible scabies. It an obligate skin. hematophagic-biting mite, Liponyssoides sanguineus, mouse, other domestic rodents can also Finally, incidence skin disease secondary infestation with bedbug, Cimex lectularius, has increased recently. Bacteria, such Wolbacchia spp. detected bedbug. threat posed by ectoparasite themselves associated infectious diseases they transmit Except scabies all these ectoparasites potential vectors agents. Three louse-borne known at this time. Trench fever caused Bartonella quintana (B. quintana), epidemic typhus Rickettsia prowazekii, relapsing spirochete Borrelia recurrentis. plague (Xenopsylla cheopis irritans), murine cheopis), flea-borne spotted rickettsiosis on account recently described species felis (C. felis), cat scratch henselae felis). role vector B. suggested. Among mites, L. transmission akari, etiologic agent rickettsialpox. Virtually, no data available tick-borne This article will deal epidemiology, diagnosis, prevention, treatment people.