Disease caused by both Rickettisia and Orientia is transmitted by:

Ans. is (d) Trombiculid mite Trombiculid mite transmit both rickettsia disease (Rickettsial pox) and orientea disease (scrub typhus) Ahropod-borne diseases Ahropod Disease transmitted Mosquito Malaria, filaria, viral encephalitis (e.g. Japanese encephalitis), viral fevers (e.g. dengue, West Nile, viralhaemorrhagic fevers (e.g. yellow fever, dengue haemorrhagic fever) Housefly Typhoid and paratyphoid fever, diarrhoea, dysentery, cholera, gastroenteritis, amoebiasis, helminthicinfestations, poliomyelitis, conjunctivitis, trachomas, anthrax, yaws, etc. Sandfly Kala-azar, oriental sore sandfly fever, oraya fever Tsetse fly Sleeping sickness Louse Epidemic typhus, relapsing fever, trench fever, pediculosis Rat flea Bubonic plague, endemic typhus, chiggerosis, hymenolepis diminuata Blackfly Onchocerciasis Reduviid bug Chagas disease Hard tick Tick typhus, viral encephalitis, viral fevers, viral haemorrhagic fever, (e.g. Kyasanur forest disease), tularemia, tick paralysis, human babesiosis Soft tick Q fever, relapsing fever Mnemonic: QRST Trombiculid mite Scrub typhus, Rickettsial-pox Itch mite Scabies Cyclops Guinea-worm disease, fish tapeworm (D. latus) Cockroaches Enteric pathogens