the microbial etiology and antimicrobial therapy of adults with acute community-acquired sinusitis: a fifteen-year experience at the university of virginia and review of other selected studies. | pretreatment sinus puncture was performed on 339 patients with acute community-acquired sinusitis (acas) between 1975 and 1990. bacterial species recovered in titers of greater than or equal to 10(4) colony-forming units per milliliter (cfu/ml) from 383 sinus aspirates included streptococcus pneumoniae, 92 (41%); haemophilus influenzae, 79 (35%); anaerobes, 17 (7%); streptococcal species, 16 (7%); moraxella catarrhalis, 8 (4%); staphylococcus aureus, 7 (33%); and other, 8 (4%). viruses (rhinovir ... | 1992 | 1527337 |