Bugs Causing Pneumonia BugNeon.<4 wksKids<18 yrsAdults18-40Adults40-65ElderlyNosoc.ICEtOH/IVDACFPost-viralAtypicalS. aureusXXXXS. pneumoniaeXXXXX XGroup B strepXE. coliXK. pneumoniaeXSerratiaXP. aeruginosaXH. influenzaeXXXL. pneumophilaXChlamydophilaXXXM. pneumoniaeXXXXCMVXRSVXParainfluenzaXXH. capsulatumC. immitisP. brasiliensisC. neoformansP. jiroveciX Most common causes login to view 7 more bullets Additonal rules of thumb login to view 13 more bullets Standard treatment login to view 4 more bullets Bronchitis login to view 1 more bullet Abbreviations login to view 5 more bullets