Odd streptococci which do not fit into the main groups -

S. acidominimus - reported association with pneumonia, pericarditis, meningitis - reported susceptible to beta-lactams - from cattle -

S. bovis, S. equinus - reported association with endocarditis, CAPD peritonitis - reported susceptible to beta-lactams - intestinal streptococci from humans and animals

S. pneumoniae - associated with pneumonia, bacteraemia, sinusitis, peritonitis, otitis, conjunctivitis - reported susceptibilities include penicillins, cephalosporins, carbapenems, chloramphenicol, glycopeptides, tetracycline - great geographical variation in susceptibility - penicillin-resistance widely reported - from pharyngeal flora of humans and domestic animals

S. suis - associated with pig contact - an agent of meningitis - reported susceptible to beta-lactams

References - Akaike, T., Suga, M., Ando, M., Ando, Y., Araki, S., Fujise, R. (1988). Streptococcus acidominimus infections in a human. Jpn. J. Med. 27, 317-320. - Elliott, P.M., Williams, H., Brooksby, I.A. (1993). A case of infective endocarditis in a farmer caused by Streptococcus equinus. Eur. heart. J. 14, 1292-1293. - Crook, D.W., Spratt, B.G. (1998). Multiple antibiotic resistance in Streptococcus pneumoniae. Br. med. Bull. 54, 595-610. - Kohler, W., Queisser, H., Kunter, E., Sawitzki, R., Frach, G. (1989). Streptococcus suis Typ 2 (R-Streptokokken) als Erreger von Berufskrankheiten. Bericht über eine Erkrankung und Literaturübersicht. Z. gesamte. inn. Med. 44, 144-148.