Waxaa sidoo kale lagula talinayaa qiimeynta microbiological ee sambabada daran, khamriga, asplenia, immunosuppression, caabuqa HIV, iyo ku xadgudubka khamriga. Inkasta oo dhaqanka dhiigga wanaagsan iyo dhaqanka dheecaanka pleural si rasmi ah loo dhiso cudurka nooca micro-organism ku lug leh, dhaqanka sputum wanaagsan waa in la fasiro si taxadar leh ee suurtagalka ah ee colonisation ee habka neefsashada. Baaritaanka ee noolaha kale ee gaar ah waxaa lagu talin karaa inta lagu guda jiro dillaaca, sababo la xiriira caafimaadka dadweynaha. In kuwa isbitaalka loogu talagalay cudurka dhiigga daran, dhaqanka sputum iyo labadaba waxaa lagu talinayaa in lagu sameeyo dadka qaba qufac soo noqnoqda. Qiimeynta microbiological waxaa sidoo kale lagu tilmaamay in cudurka oof daran, khamriga, asplenia, immunosuppression, caabuqa HIV, iyo ku xadgudubka khamriga. Waxaa sidoo kale lagula talinayaa in la ogaado iyadoo la isticmaalayo tijaabooyinka antibacterial ah sida Strepto
antigen-ka Legionella iyo Streptococcus