viridans streptococci


Also found in: Medical, Wikipedia.

viridans streptococci

[′vir·ə‚danz ¦strep·tə′käk·ē]
(microbiology)
A group of pathogenic and saprophytic streptococci including strains not causing beta hemolysis, although many cause alpha hemolysis, and none which elaborate a C substance.
Mentioned in ?
References in periodicals archive ?
Results: The organisms detected in the participants were coagulase negative Staphylococcus and Staphylococcus aureus, Viridans streptococci, diphtheroids, micrococci, bacteroides, and Klebsiella by culture.
Viridans Streptococci and Groups C and G Streptococci.
suis are not defined in the 2015 Clinical and Laboratory Standards Institute guidelines, breakpoints for viridans streptococci were used instead (4).
Viridans streptococci cause most cases, although Staphylococcus aureus is also an important cause that often requires early surgery for successful eradication.
Speert, " Viridans streptococci bacteremia in children with malignancy: relevance of species identification and penicillin susceptibility," Pediatric Infectious Disease Journal, vol.
Viridans streptococci were inhibited; therefore they do not grow on MacConkey agar.
Antibiotic treatment of infective endocarditis due to viridans streptococci, enterococci and other streptococci.
By the end of the decade, S aureus had overtaken viridans streptococci as the most frequently isolated pathogen, accounting for nearly 30-40% of cases.