1. Centers for Disease Control and Prevention. Prevention of Perinatal Group B Streptococcal Disease Revised Guidelines from CDC, 2010. MMWR. 2010; 59(RR-10).
2. DiPersio LP, DiPersio JR. Identification of an erm(T) gene in strains of inducibly clindamycin-resistant Group B Streptococcus. Diagn Microbiol Infect Dis. 2007; 57(2): 189-93.
3. Heelan JS, Hasenbein ME, McAdam AJ. Resistance of Group B Streptococcus to selected antibiotics, including erythromycin and clindamycin. J Clin Microbiol. 2004; 42(3): 1263-4.
4. Blumberg HM, Stephens DS, Modansky M, Erwin M, Elliot J, Facklam RR, et al. Invasive Group B streptococcal disease: the emergence of Serotype V. J Infect Dis. 1996; 173(2): 365-73.
5. Lindahl G, Sta M, Carlemalm I, Areschoug TH. Surface proteins of Streptococcus agalactiae and related proteins in other bacterial pathogens. Clin Microbiol Rev. 2005; 18(1): 102–27.
6. Gherardi G, Imperi M, Baldassarri L, Pataracchia M, Alfarone G, Recchia S, et al. Molecular epidemiology and distribution of serotypes, surface proteins, and antibiotic resistance among Group B Streptococci in Italy. J Clin Microbiol. 2007; 45(9): 2909-16.
7. I. Morrissey, K. Maher, S. Hawser. Activity of iclaprim against clinical isolates of Streptococcus pyogenes and Streptococcus agalactiae. J Antimicrob Chemother. 2009; 63(2): 413-4.
8. Kong F, Gowan S, Martin D, James G, Gilbert GL. Serotype identification of Group B Streptococci by PCR and sequencing. J Clin Microbiol. 2002; 40(1): 216-26.
9. Kong F, Ma L, Gilbert GL. Simultaneous detection and serotype identification of Streptococcus agalactiae using multiplex PCR and reverse line blot hybridization. J Med Microbiol. 2005; 54: 1133-8.
10. Hickman ME, Rench MA, Ferrieri P, Baker CJ. Changing epidemiology of Group B streptococcal colonization. Pediatrics. 1999; 104: 203-9.
11. Johri AK, Paoletti LC, Glaser P, Dua M, Sharma PK, Grandi G, et al. Group B Streptococcus: global incidence and vaccine development. Nat Rev Microbiol. 2006; 4(12): 932-42.
12. van Belkum A, Tassios PT, Dijkshoorn L, Haeggman S, Cookson B, Fry NK, et al. Guidelines for the validation and application of typing methods for use in bacterial epidemiology. Clin Microbiol Infect 13 Suppl. 2007; Suppl 3): 1-46.
13. Hakansson S, Burman LG, Henrichsen J, Holm SE. Novel coagglutination method for serotyping Group B Streptococci. J Clin Microbiol. 1992; 30(12): 3268-9.
14. Park CJ, Vandel NM, Ruprai DK, Martin EA, Gates KM, Coker D. Detection of Group B streptococcal colonization in pregnant women using direct latex agglutination testing of selective broth. J Clin Microbiol. 2001; 39(1): 408-9.
15. Lancefield RC. Serological differentiation of specific types of bovine haemolytic streptococci (Group B). J Exp Med. 1934; 59(4): 441-58.
16. Johnson DR, Ferrieri P. Group B streptococcal Ibc protein antigen: distribution of two determinants in wild-type strains of common serotypes. J Clin Microbiol. 1984; 19(4): 506-10.
17. Arakere G, Flores AE, Ferrieri P, Frasch CE. Inhibition enzyme-linked immunosorbent assay for serotyping of Group B streptococcal isolates. J Clin Microbiol. 1999; 37(8): 2564-7.
18. Seifert KN, McArthur WP, Bleiweis AS, Brady LJ. Characterization of Group B streptococcal glyceraldehyde-3-phosphate dehydrogenase: surface localization, enzymatic activity, and protein protein interactions. Can J Microbiol. 2003; 49(5): 350-6.
19. Benson JA, Flores AE, Baker CJ, Hillier SL, Ferrieri P. Improved methods for typing nontypeable isolates of Group B Streptococci. Int J Med Microbiol. 2002; 292(1): 37-42.
20. zhao Z, Kong F, Gilbert GL. Reverse line blot assay for direct identification of seven Streptococcus agalactiae major surface protein antigen genes. Clin Vaccine Immunol. 2006; 13(3): 145-9.
21. Slotved HC, Kong F, Lambertsen L, Sauer S, Gilbert GL. Serotype IX, a proposed new Streptococcus agalactiae serotype. J Clin Microbiol. 2007; 45(9): 2929-36.
22. Cieslewicz MJ, Chaffin D, Glusman G, Kasper D, Madan D, Rodrigues S, et al. Structural and genetic diversity of Group B Streptococcus capsular polysaccharides. Infect Immun. 2005; 73(5): 3096-103.
23. Imperi M, Pataracchia M, Alfarone G, Baldassarri L, Orefici G, Creti R. A multiplex PCR assay for the direct identification of the capsular type (Ia to IX) of Streptococcus agalactiae. J Microbiol Methods. 2009; 80(2): 212-4.
24. Poyart C, Tazi A, Reglier-Poupet H, Billoet A, Tavares N, Raymond J, et al. Multiplex PCR assay for rapid and accurate capsular typing of Group B Streptococci. J Clin Microbiol. 2007; 45(6): 1985-8.
25. Nabil A. El A, Inge T, Geert C, Bart S, Ellen DB, et al. Genotyping of Streptococcus agalactiae (Group B streptococci) isolated from vaginal and rectal swabs of women at 35-37 weeks of pregnancy. BMC Infect Dis. 2009; 9: 153.
26. de-Paris F, Mombach AB, Machado P, Gheno TC, Ascoli BM, Oliveira KRPd, et al. Group B Streptococcus detection: comparison of PCR assay and culture as a screening method for pregnant women. Braz J Infect Dis. 2011; 15(4): 323-7.
27. Borchardt SM, Foxman B, Chaffin DO, Rubens CE, Tallman PA, Manning SD, et al. Comparison of DNA Dot Blot hybridization and Lancefield Capillary Precipitin methods for Group B Streptococcal capsular typing. J Clin Microbiol. 2004; 42(1): 146–50.
28. Dutra VG, Alves VM, Olendzki AN, Dias CA, Bastos AFd, Santos GO, et al. Streptococcus agalactiae in Brazil: serotype distribution, virulence determinants and antimicrobial susceptibility. BMC Infect Dis. 2014; 14: 323.
29. Kong F, Lambertsen LM, Slotved H-C, Ko D, Wang H, Gilbert GL. Use of phenotypic and molecular serotype identification methods To characterize previously nonserotypeable Group B Streptococci. J Clin Microbiol. 2008; 46(8): 2745–50.
30. Tsolia M, Psoma M, Gavrili S, Petrochilou V, Michalas S, Legakis N, et al. Group B Streptococcus colonization of Greek pregnant women and neonates: prevalence, risk factors and serotypes. Clin Microbiol Infect. 2003; 9(8): 832-8.
31. Brimil N, Barthell E, Heindrichs U, Kuhn M, Lutticken R, Spellerberg B. Epidemiology of Streptococcus agalactiae colonization in Germany. Int J Med Microbiol. 2006; 296(1): 39-44.
32. Ippolito DL, James WA, Tinnemore D, Huang RR, Dehart MJ, Williams J, et al. Group B Streptococcus serotype prevalence in reproductive-age women at a tertiary care military medical center relative to global serotype distribution. BMC Infect Dis. 2010; 10: 336.
33. Lachenauer CS, Kasper DL, Shimada J, Ichiman Y, Ohtsuka H, Kaku M, et al. Serotypes VI and VIII predominate among Group B Streptococci isolated from pregnant Japanese women. J Infect Dis. 1999; 179: 1030-3.
34. Amin A, Abdulrazzaq YM, Uduman S. Group B streptococcal serotype distribution of isolates from colonized pregnant women at the time of delivery in United Arab Emirates. J Infect Dis. 2002; 45(1): 42-6.
35. Jannati E, Roshani M, Arzanlou M, Habibzadeh S, Rahimi G, Shapuri R. Capsular serotype and antibiotic resistance of Group B Streptococci isolated from pregnant women in Ardabil, Iran. Iran J Microbiol. 2012; 4(3): 130-5.
36. Yasini M, Safari M, Khorshidi A, Moniri R, Mousavi GA, Samimi M. Frequency of Group B capsular serotypes of Streptococcus using the multiplex PCR among the pregnant women in Kashan during 2011-2013. Feyz. 2013; 17(2): 173-80.
37. Nahaei MR, Ghandchilar N, Bilan N, Ghahramani P. Maternal carriage and neonatal colonization of Streptococcus agalactiae in Tabriz, Northwest Iran. Iran J Med Sci. 2007; 32(3): 177-81.
38. Rahnama S, Forouhesh Tehrani H, Amirmozafari N, Azadmanesh K, Biglari SH. Distribution of capsular serotypes in Group B Streptococci clinical isolates based on genotyping. Razi JMed Sci. 2010; 17(78 & 79): 25-33.
39. Heath PT. An update on vaccination against Group B Streptococcus. Expert Rev Vaccines. 2011; 10: 685-94.
40. Afshar B, Broughton K, Creti R, Decheva A, Hufnagel M, Kriz P, et al. International external quality assurance for laboratory identification and typing of Streptococcus agalactiae (Group B streptococci). J Clin Microbiol. 2011; 49(4): 1475-82.
41. Martins ER, Melo-Cristino J, Ramirez M. Reevaluating the Serotype II capsular locus of Streptococcus agalactiae. J Clin Microbiol. 2007; 45(10): 3384-6.