“…[24,28,30] b) a more accurate severity assessment, with a better definition concerning the need for hospitalization [1,[9][10][11][12]25,34]; c) definition of guidelines for antibiotic therapy, either empiric or specific [1,6,22,27]; d) evolution of antibiotic susceptibility in respiratory pathogens [16,18], especially resistance rates of Streptococcus Community-acquired pneumonia (CAP) is a quite common clinical condition, and it is a major cause of morbidity and mortality among adults, mainly in elderly patients [1,2,4,6,[9][10][11][12]19,[21][22][23]25 ]. Since it is a disease that does not require mandatory communication, it's precise incidence is not well known, although there are some references of 12 cases per thousand inhabitants per year [19]. It is www.bjid.com.br pneumoniae [14,16,18,32]; e) the new antibiotics available, especially those used on respiratory pathogens, including the new quinolones [3,17,18,31] also called "respiratory" quinolones.…”