viridans streptococci


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Strep·to·coc·cus vir·i·dans

a name applied not to a distinct species but rather to the group of α-hemolytic streptococci as a whole; viridans streptococci have been isolated from the mouth and intestines of humans, the intestines of horses, the milk and feces of cows, and milk products.

vi·ri·dans strep·to·coc·ci

(vir'i-danz strep-tō-kok'sī)
A name applied not to a distinct species but rather to the group of α-hemolytic streptococci as a whole; viridans streptococci have been isolated from the mouth and intestines of humans, the intestines of horses, the milk and feces of cows, milk products, and the sputum and lungs.
Synonym(s): Streptococcus viridans.

vi·ri·dans strep·to·coc·ci

(vir'i-danz strep-tō-kok'sī)
A name applied not to a distinct species but rather to the group of α-hemolytic streptococci as a whole; have been isolated from the mouth and intestines of humans, the intestines of horses, the milk and feces of cows, milk products, and the sputum and lungs.
Synonym(s): Streptococcus viridans.
References in periodicals archive ?
The organisms detected in the participants were coagulase positive and coagulase negative Staphylococcus aureus , Viridans streptococci, diphtheroids, micrococci, bacteroides, and Klebsiella spp.
Streptococcus bovis and other Viridans Streptococci are inhibited by 6.
of patients (%) GRAM-POSITIVE Streptococci 38 (23) viridans Streptococci 24 (15) Streptococcus bovis 1 (1) Streptococcus mitis 1 (1) Streptococcus intermedius 1 (1) Others 11 (7) Staphylococci 21 (13) Staphylococcus aureus 10 (6) Staphylococcus epidermidis 11 (7) Enterococcus faecalis 7 (4) GRAM-NEGATIVE Pseudomonas species * 3 (2) Enterobacter (+) 3 (2) Serratia 1 (1) No growtha 86 (54) * P.
and viridans streptococci isolates were differentiated by detection of pyrrolidonyl peptidase activity using PYR disks (Remel, KS).
Viridans streptococci cause more than 50% of community-acquired endocarditis that is not associated with intravenous drug use.
A total of 127 different bacterial species were identified, by far the most common being the viridans streptococci.
These are categorized as coagulase-negative staphylococci, with viridans streptococci composing the second largest group; enterococci are the most common gram-negative organism (Balmer & Valley, 1997).
0 2 Peptostreptococcus 0 0 Gram-positive Viridans streptococci 0 3 Streptococcal constellatus 0 1 Staphylococcus aureus 0 1 Unidentified Streptococcus 0 0 Candida albicans 0 1 No.
has received FDA clearance for the Dade MICroSTREP(TM) Panel, a new testing procedure for antimicrobial susceptibility of three different classes of streptococcus including Streptococcus pneumoniae, viridans streptococci and beta-hemolytic streptococci.
Viridans streptococci account for 50-70% of native valve IE.