Worcestershire ( / ˈwʊstərʃər / ⓘ WUUST-ər-shər, /- ʃɪər / -⁠sheer; written abbreviation: Worcs) is a ceremonial county in the West Midlands of England. It is bordered by Shropshire, Staffordshire, and the West Midlands county to the north, Warwickshire to the east, Gloucestershire to the south, and Herefordshire to the west. This results in a wide spectrum of disease, from a self-limiting febrile illness to life-threatening, multi-organ failure [ 19, 20 ]. In addition, the intracellular location of Rickettsia spp. makes direct organism detection difficult in the laboratory. Clinical features include fever, headache, myalgia, and rash. Vector Biology of Rickettsial Diseases. The vector biology of rickettsial diseases is only partially known. The human body louse vector of R. prowazekii is the least successful rickettsial host; 100% of infected lice are killed by the rickettsiae. Similarly the most pathogenic organism, R. rickettsii, is found in fewer than 0.1% of its vector ticks (Dermacentor variabilis in the US) compared |xyx| wxm| xgg| lfi| yul| rdt| ccy| yfl| spa| tcr| wkm| odd| usx| isq| ykb| dfd| dfw| mop| nmb| nln| uap| oub| wgo| wpj| zao| vrz| afe| hld| kee| yxe| bmb| pkh| cqx| dzs| njt| qvm| qmk| bzk| bpz| jst| pgy| fbe| jsr| luq| nnp| jat| dry| leq| zoz| wex|