- World Health Organization. Pneumococcal conjugate vaccine for childhood immunization—WHO position paper. Weekly Epidemiological Record.Geneva: WHO, 2007.Available at http://www.who.int/wer/2007/wer8212.pdf?ua=1 (accessed 23 May 2011).
- Feikin DR, Klugman KP, Facklam RR, Zell ER, Schuchat A, Whitney CG.Increased prevalence of pediatric pneumococcal serotypes in elderly adults. Clin Infect Dis2005;41: 481–487.
- Hausdorff WP, Feikin DR, Klugman KP.Epidemiological differences among pneumococcal serotypes. Lancet Infect Dis2005;5: 83–93.
- Chong CY, Koh-Cheng T, Yee-Hui M, Nancy TW.Invasive pneumococcal disease in Singapore children. Vaccine2008;26: 3427–3431.
- Hsu LY, Lui SW, Lee JL et al.Adult invasive pneumococcal disease pre- and peri-pneumococcal conjugate vaccine introduction in a tertiary hospital in Singapore. J Med Microbiol2009;58 (Pt 1): 101–104.
- Low S, Chan FL, Cutter J, Ma S, Goh KT, Chew SK.A national study of the epidemiology of pneumococcal disease among hospitalised patients in Singapore: 1995 to 2004. Singapore Med J2007;48: 824–829.
- Soh SW, Poh CL, Lin RV.Serotype distribution and antimicrobial resistance of Streptococcus pneumoniae isolates from pediatric patients in Singapore. Antimicrob Agents Chemother2000;44: 2193–2196.
- Jefferies JM, Tee WS, Clarke SC.Molecular analysis of Streptococcus pneumoniae clones causing invasive disease in children in Singapore. J Med Microbiol2011;60 (Pt 6): 750–755.
- Koh TH, Sng LH, Ngan CC.Molecular typing of multiresistant Streptococcus pneumoniae serogroup 19 in Singapore. Pathology1998;30: 395–398.
- La MV, Siti Zulaina MS, Chua R, Tee WS, Lin RV. Pneumococcal serotyping for surveillance of invasive pneumococcal diseases in Singapore, 2010–2011. Epidemiol News Bull 2012;38: 29–35.Singapore: Ministry of Health, 2012.Available at https://www.moh.gov.sg/content/dam/moh_web/Statistics/Epidemiological_News_Bulletin/2012/ENB02Q_12.pdf (accessed 23 May 2012).
- Vasoo S, Singh K, Chow C, Lin RT, Hsu LY, Tambyah PA.Pneumococcal carriage and resistance in children attending day care centers in Singapore in an early era of PCV-7 uptake. J Infect2010;60: 507–509.
- Lin TY, Shah NK, Brooks D, Garcia CS.Summary of invasive pneumococcal disease burden among children in the Asia-Pacific region. Vaccine2010;28: 7589–7605.
- World Health Organization. Country health profile—Singapore.Geneva: WHO, 2012.Available at http://www.who.int/countries/sgp/en/ (accessed 23 May 2012).
- Ministry of Health Singapore. Pneumococcal disease.Singapore: Ministry of Health, 2012.Available at http://www.hpb.gov.sg/HOPPortal/dandc-article/8314 (accessed 23 May 2012).
- Ministry of Health Singapore. Communicable disease surveillance in Singapore 2012. Childhood immunisation.Singapore: Ministry of Health, 2014.Available at http://www.moh.gov.sg/content/dam/moh_web/Publications/Reports/2013/Childhood%20Immunisation.pdf (accessed 24 February 2014).
- Tan TQ.Pediatric invasive pneumococcal disease in the United States in the era of pneumococcal conjugate vaccines. Clin Microbiol Rev2012;25: 409–419.
- Brueggemann AB, Griffiths DT, Meats E, Peto T, Crook DW, Spratt BG.Clonal relationships between invasive and carriage Streptococcus pneumoniae and serotype- and clone-specific differences in invasive disease potential. J Infect Dis2003;187: 1424–1432.
- Pai R, Moore MR, Pilishvili T, Gertz RE, Whitney CG, Beall B.Postvaccine genetic structure of Streptococcus pneumoniae serotype 19A from children in the United States. J Infect Dis2005;192: 1988–1995.
- Tocheva AS, Jefferies JM, Christodoulides M, Faust SN, Clarke SC.Increase in serotype 6C pneumococcal carriage, United Kingdom. Emerg Infect Dis2010;16: 154–155.
- Battig P, Hathaway LJ, Hofer S, Muhlemann K.Serotype-specific invasiveness and colonization prevalence in Streptococcus pneumoniae correlate with the lag phase during in vitro growth. Microbes Infect2006;8: 2612–2617.
- Hanage WP, Kaijalainen TH, Syrjanen RK et al.Invasiveness of serotypes and clones of Streptococcus pneumoniae among children in Finland. Infect Immun2005;73: 431–435.
- Kronenberg A, Zucs P, Droz S, Muhlemann K.Distribution and invasiveness of Streptococcus pneumoniae serotypes in Switzerland, a country with low antibiotic selection pressure, from 2001 to 2004. J Clin Microbiol2006;44: 2032–2038.
- Enright MC, Spratt BG.A multilocus sequence typing scheme for Streptococcus pneumoniae: identification of clones associated with serious invasive disease. Microbiology1998;144 (Pt 11): 3049–3060.
- Sorensen UB.Typing of pneumococci by using 12 pooled antisera. J Clin Microbiol1993;31: 2097–2100.
- Centers for Disease Control and prevention. PCR deduction of pneumococcal serotypes.Atlanta: CDC, 2012.Available at http://www.cdc.gov/ncidod/biotech/strep/pcr.htm (accessed 8 July 2012).
- MLST database. Streptococcus pneumoniae.London: Imperial College London, 2012.Available at http://spneumoniae.mlst.net/ (accessed 23 May 2012).
- Francisco AP, Vaz C, Monteiro PT, Melo-Cristino J, Ramirez M, Carrico JA.PHYLOViZ: phylogenetic inference and data visualization for sequence based typing methods. BMC Bioinformatics2012;13: 87.
- Simpson EH.Measurement of diversity. Nature1949;163: 688.
- Park IH, Moore MR, Treanor JJ et al.Differential effects of pneumococcal vaccines against serotypes 6A and 6C. J Infect Dis2008;198: 1818–1822.
- McGee L, McDougal L, Zhou J et al.Nomenclature of major antimicrobial-resistant clones of Streptococcus pneumoniae defined by the pneumococcal molecular epidemiology network. J Clin Microbiol2001;39: 2565–2571.
- Lexau CA, Lynfield R, Danila R et al.Changing epidemiology of invasive pneumococcal disease among older adults in the era of pediatric pneumococcal conjugate vaccine. JAMA2005;294: 2043–2051.
- Pilishvili T, Lexau C, Farley MM et al.Sustained reductions in invasive pneumococcal disease in the era of conjugate vaccine. J Infect Dis2010;201: 32–41.
- Rodrigo C, Bewick T, Sheppard C et al.Pneumococcal serotypes in adult non-invasive and invasive pneumonia in relation to child contact and child vaccination status. Thorax2014;69: 168–173.
- Thoon KC, Chong CY, Tee NW.Early impact of pneumococcal conjugate vaccine on invasive pneumococcal disease in Singapore children, 2005 through 2010. Int J Infect Dis2012;16: e209–e215.
- Jauneikaite E, Jefferies JM, Hibberd ML, Clarke SC.Prevalence of Streptococcus pneumoniae serotypes causing invasive and non-invasive disease in South East Asia: a review. Vaccine2012;30: 3503–3514.
- Beall BW, Gertz RE, Hulkower RL, Whitney CG, Moore MR, Brueggemann AB.Shifting genetic structure of invasive serotype 19A pneumococci in the United States. J Infect Dis2011;203: 1360–1368.
- Shin J, Baek JY, Kim SH, Song JH, Ko KS.Predominance of ST320 among Streptococcus pneumoniae serotype 19A isolates from 10 Asian countries. J Antimicrob Chemother2011;66: 1001–1004.
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Original Articles
Genetic diversity of Streptococcus pneumoniae causing meningitis and sepsis in Singapore during the first year of PCV7 implementation
Elita JauneikaiteFaculty of Medicine and Institute for Life Sciences, University of Southampton, Southampton SO16 6YD, UK;Infectious Diseases, Genome Institute of Singapore, Singapore 138672, Singapore
, Johanna Mary Carnon JefferiesFaculty of Medicine and Institute for Life Sciences, University of Southampton, Southampton SO16 6YD, UK;NIHR Southampton Respiratory Biomedical Research Unit, Southampton SO16 6YD, UK
, Nicholas William Vere ChurtonFaculty of Medicine and Institute for Life Sciences, University of Southampton, Southampton SO16 6YD, UK;Centre for Biological Sciences, University of Southampton, Southampton SO17 1BJ, UK
, Raymond Tzer Pin LinNational Public Health Laboratory, Ministry of Health, Singapore 169854, Singapore
, Martin Lloyd HibberdInfectious Diseases, Genome Institute of Singapore, Singapore 138672, Singapore;London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
& Stuart Charles ClarkeFaculty of Medicine and Institute for Life Sciences, University of Southampton, Southampton SO16 6YD, UK;NIHR Southampton Respiratory Biomedical Research Unit, Southampton SO16 6YD, UK;Public Health England, Southampton SO16 6YD, UKCorrespondence[email protected]
Pages 1-7
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Received 23 Sep 2015, Accepted 02 Nov 2015, Published online: 25 Jan 2019
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