Qaar ka mid ah noolaha, sida Staphylococcus ama Streptococcus, waxay sababi karaan infekshannada maqaarka, oo ah caabuqa sanbabada, meningitis iyo xitaa sepsis xoog leh, oo ah jawaab-celin caabuq oo nidaamsan oo keena shoog, fiditaanka xididdada ballaaran iyo dhimashada. Si kastaba ha noqotee, noolahaasi waxay sidoo kale qayb ka yihiin flora caadiga ah ee aadanaha waxayna badanaa ku jiraan maqaarka ama sanka iyadoon wax cudur ah keenin. Noocyo kale oo noolaha ah ayaa si joogto ah u sababa cudurrada aadanaha, sida Rickettsia, oo ah xayawaan xayawaan xayawaan ah oo awood u leh inay ku koraan oo ay ku soo saaraan oo keliya unugyada noolaha kale. Hal nooc oo ah Rickettsia typhus, halka nooc kale uu leeyahay xayawaan xayawaan ah. Noocyo kale oo xayawaan ah, sida Staphylococcus ama Streptococcus, waxay sababi karaan infekshannada maqaarka, oo ah caabuqyo, oo ke
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