<prompt> CAMP test is positive for-Group A streptococcusGroup B streptococcusGroup C streptococcusGroup D streptococcus  <response>: Ans. is b i.e., Group B streptococcus Medically important streptococci and their characteristicsSpecies or common nameLancefield groupHemolysisHabitat in human hostsLaboratory testCommon diseases causedStr. PyogenesAbetaThroat,skinBacitracin sensitive;PYR test positive;Ribose not fermentedUpper respiratory tract infection; pyoderma; rheumatic fever; glomerulonephritisStr. agalactiaeBbetaFemalegenitaltract,rectumCAMP test, hippuratehydrolysisNeonatal menigitis, septicemiaStr. equisimilisCbetaThroatRibose and trehalose fermentationPharyngitis, endocarditisStr. anginosusA,C,F,G untvpablebeta alpha, gammaThroat colon female genital tractGroup A strains bacitracin resistantPYR negative;Minute colony variants of other groupsPyogenic infectionsEnterococcus sp.Str. faecalis and other enterococciDGammaalpha,betaColonGrowth in 6.5 NaCl; PYR positiveUrinary tract infections, endocarditis,Suppurative infectionsNonenterococcalGroup D speciesStr. bovisDGammaColonNo growth in 6.5 NaClEndocarditisViridans steptococci many speciesNo typedalpha gammaMouth colon, female genital tractOptochin resistantSpecies classification on biochemical propertiesEndocarditis Str. sanguis: dental caries Str. mutans 