The burden of infant group B streptococcal infections in Ontario: Analysis of administrative data to estimate the potential benefits of new vaccines

References

• Le Doare K, Heath PT. An overview of global GBS epidemiology. Vaccine. 2013;31:D7–D12. doi:10.1016/j.vaccine.2013.01.009.
   PubMed Web of Science ®Google Scholar
• Farley MM, Strasbaugh LJ. Group B streptococcal disease in nonpregnant adults. Clin Infect Dis. 2001;33(4):556–561. doi:10.1086/322696.
   PubMed Web of Science ®Google Scholar
• Cantey JB, Farris AC, McCormick SM. Bacteremia in Early Infancy: etiology and Management. Curr Infect Dis Rep. 2016;18(1):1. doi:10.1007/s11908-015-0508-3.
   PubMed Web of Science ®Google Scholar
• Heath PT. Status of vaccine research and development of vaccines for GBS. Vaccine. 2016;34(26):2876–2879. doi:10.1016/j.vaccine.2015.12.072.
   PubMed Web of Science ®Google Scholar
• Madhi SA, Cutland CL, Jose L, Koen A, Govender N, Wittke F, Olugbosi M, Meulen AS-T, Baker S, Dull PM, et al. Safety and immunogenicity of an investigational maternal trivalent group B streptococcus vaccine in healthy women and their infants: a randomised phase 1b/2 trial. Lancet Infect Dis. 2016;16(8):923–934. doi:10.1016/S1473-3099(16)00152-3.
   PubMed Web of Science ®Google Scholar
• Heyderman RS, Madhi SA, French N, Cutland C, Ngwira B, Kayambo D, Mboizi R, Koen A, Jose L, Olugbosi M, et al. Group B streptococcus vaccination in pregnant women with or without HIV in Africa: a non-randomised phase 2, open-label, multicentre trial. Lancet Infect Dis. 2016;16(5):546–555. doi:10.1016/S1473-3099(15)00484-3.
   PubMed Web of Science ®Google Scholar
• Kim S-Y, Nguyen C, Russell LB, Tomczyk S, Abdul-Hakeem F, Schrag SJ, Verani JR, Sinha A. Cost-effectiveness of a potential group B streptococcal vaccine for pregnant women in the United States. Vaccine. 2017;35(45):6238–6247. doi:10.1016/j.vaccine.2017.08.085.
   PubMed Web of Science ®Google Scholar
• Association of Ontario Midwives. Group B Streptococcus: prevention and management in labour insurance and risk management in labour. 2010. [accessed 2018 aug 27] https://www.ontariomidwives.ca/sites/default/files/CPG-GBS-Prevention-and-management-in-labour-PUB.pdf
   Google Scholar
• Public Health Agency of Canada. accessed 2017 May 03. http://diseases.canada.ca/notifiable/diseases-list.
   Google Scholar
• Bauer ME, Bateman BT, Bauer ST, Shanks AM, Mhyre JM. Maternal sepsis mortality and morbidity during hospitalization for delivery. Anesth Analg. 2013;117(4):944–950. doi:10.1213/ANE.0b013e3182a009c3.
   PubMed Web of Science ®Google Scholar
• Public Health England. Prenatal Pertussis Immunisation Programme 2014/15: Annual Vaccine Coverage Report for England. 2015.
   Google Scholar
• Public Health England. Influenza immunisation programme for England: GP patient groups, data collection survey season 2015 to 2016. 2016. [accessed 2018 aug 27] https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/544552/Seasonal_flu_GP_patient_groups_annual_report_2015_2016.pdf
   Google Scholar
• Gilmore H, Hofmann N. H1N1 vaccination. Heal Rep. 2010;21(4):63–69.
   Web of Science ®Google Scholar
• Bedford Russell AR, Breathnach A, Sender P. Confirmed group B streptococcus infection: the tip of the iceberg. Arch Dis Child Fetal Neonatal Ed. 2001;84(2):F140. doi:10.1136/fn.84.2.F140.
   PubMedGoogle Scholar
• Edmond KM, Kortsalioudaki C, Scott S, Schrag SJ, Zaidi AKM, Cousens S, Heath PT. Group B streptococcal disease in infants aged younger than 3 months: systematic review and meta-analysis. Lancet. 2012;379(9815):547–556. doi:10.1016/S0140-6736(11)61651-6.
   PubMed Web of Science ®Google Scholar
• Huber CA, McOdimba F, Pflueger V, Daubenberger CA, Revathi G. Characterization of Invasive and Colonizing Isolates of Streptococcus agalactiae in East African Adults. J Clin Microbiol. 2011;49(10):3652–3655. doi:10.1128/JCM.01288-11.
   PubMed Web of Science ®Google Scholar
• Seale AC, Bianchi-Jassir F, Russell NJ, Kohli-Lynch M, Tann CJ, Hall J, Madrid L, Blencowe H, Cousens S, Baker CJ, et al. Estimates of the Burden of Group B Streptococcal disease worldwide for pregnant women, stillbirths, and children. Clin Infect Dis. 2017;65(suppl_2):S200–S219. doi:10.1093/cid/cix664.
   PubMed Web of Science ®Google Scholar
• IntelliHealth Ontario. [accessed 2018 aug 27] https://intellihealth.moh.gov.on.ca/
   Google Scholar
• Health Analyst’s Toolkit. 2012. [accessed 2018 aug 27] http://www.health.gov.on.ca/english/providers/pub/healthanalytics/health_toolkit/health_toolkit.pdf 
   Google Scholar
• Ontario Ministry of Health and Long Term Care. Appendix B: provincial case definitions for reportable diseases. 2014. [accessed 2018 aug 27] http://www.health.gov.on.ca/en/pro/programs/publichealth/oph_standards/docs/group_b_strep_cd.pdf
   Google Scholar
• R Core Team (2014). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. [accessed 2018 aug 27] http://www.R-project.org/
   Google Scholar
• Ahluwalia IB, Ding H, D’Angelo D, Shealy KH, Singleton JA, Liang J, Rosenberg KD. Tetanus, diphtheria, pertussis vaccination coverage before, during, and after pregnancy - 16 States and New York City, 2011. MMWR Morb Mortal Wkly Rep. 2015;64(19):522–526.
   PubMed Web of Science ®Google Scholar
• Teatero S, McGeer A, Low DE, Li A, Demczuk W, Martin I, Fittipaldi N. Characterization of Invasive Group B Streptococcus strains from the greater Toronto Area, Canada. J Clin Microbiol. 2014;52(5):1441–1447. doi:10.1128/JCM.03554-13.
   PubMed Web of Science ®Google Scholar
• Melin P, Efstratiou A. Group B streptococcal epidemiology and vaccine needs in developed countries. Vaccine. 2013;31:D31–D42. doi:10.1016/j.vaccine.2013.05.012.
   PubMed Web of Science ®Google Scholar
• Leroux-Roels G, Maes C, Willekens J, De Boever F, De Rooij R, Martell L, Bedell L, Wittke F, Slobod K, Dull P. A randomized, observer-blind phase Ib study to identify formulations and vaccine schedules of a trivalent Group B Streptococcus vaccine for use in non-pregnant and pregnant women. Vaccine. 2016;34(15):1786–1791. doi:10.1016/j.vaccine.2016.02.044.
   PubMed Web of Science ®Google Scholar
• Baker CJ, Paoletti LC, Rench MA, Guttormsen H, Edwards MS, Kasper DL. Immune response of healthy women to 2 different group b streptococcal type V capsular polysaccharide–protein conjugate vaccines. J Infect Dis. 2004;189(6):1103–1112. doi:10.1086/382193.
   PubMed Web of Science ®Google Scholar
• O’Loughlin RE, Roberson A, Cieslak PR, Lynfield R, Gershman K, Craig A, Albanese BA, Farley MM, Barrett NL, Spina NL, et al. The Epidemiology of Invasive Group A Streptococcal Infection and Potential Vaccine Implications: united States, 2000-2004. Clin Infect Dis. 2007;45(7):853–862. doi:10.1086/521264.
   PubMed Web of Science ®Google Scholar