Carriage of Streptoccoccus pneumoniae in healthy adults aged 60 years or over in a population with very high and long-lasting pneumococcal conjugate vaccine coverage in children

References

• Bogaert D, De Groot R, Hermans PW. Streptococcus pneumoniae colonisation: the key to pneumococcal disease. Lancet Infect Dis 2004; 4:144 - 54; http://dx.doi.org/10.1016/S1473-3099(04)00938-7; PMID: 14998500
   PubMed Web of Science ®Google Scholar
• Hammitt LL, Bruden DL, Butler JC, Baggett HC, Hurlburt DA, Reasonover A, et al. Indirect effect of conjugate vaccine on adult carriage of Streptococcus pneumoniae: an explanation of trends in invasive pneumococcal disease. J Infect Dis 2006; 193:1487 - 94; http://dx.doi.org/10.1086/503805; PMID: 16652275
   PubMed Web of Science ®Google Scholar
• De Carvalho Gomes H, Muscat M, Monnet DL, Giesecke J, Lopalco PL. Use of seven-valent pneumococcal conjugate vaccine (PCV7) in Europe, 2001-2007. Euro Surveill 2009; 14:19159; PMID: 19341605
   PubMedGoogle Scholar
• Whitney CG, Farley MM, Hadler J, Harrison LH, Bennett NM, Lynfield R, et al, Active Bacterial Core Surveillance of the Emerging Infections Program Network. Decline in invasive pneumococcal disease after the introduction of protein-polysaccharide conjugate vaccine. N Engl J Med 2003; 348:1737 - 46; http://dx.doi.org/10.1056/NEJMoa022823; PMID: 12724479
   PubMed Web of Science ®Google Scholar
• Hicks LA, Harrison LH, Flannery B, Hadler JL, Schaffner W, Craig AS, et al. Incidence of pneumococcal disease due to non-pneumococcal conjugate vaccine (PCV7) serotypes in the United States during the era of widespread PCV7 vaccination, 1998-2004. J Infect Dis 2007; 196:1346 - 54; http://dx.doi.org/10.1086/521626; PMID: 17922399
   PubMed Web of Science ®Google Scholar
• Rose M, Zielen S. Impact of infant immunization programs with pneumococcal conjugate vaccine in Europe. Expert Rev Vaccines 2009; 8:1351 - 64; http://dx.doi.org/10.1586/erv.09.78; PMID: 19803758
   PubMed Web of Science ®Google Scholar
• Rodenburg GD, de Greeff SC, Jansen AG, de Melker HE, Schouls LM, Hak E, et al. Effects of pneumococcal conjugate vaccine 2 years after its introduction, the Netherlands. Emerg Infect Dis 2010; 16:816 - 23; http://dx.doi.org/10.3201/eid1605.091223; PMID: 20409372
   PubMed Web of Science ®Google Scholar
• Black S, Shinefield H, Baxter R, Austrian R, Bracken L, Hansen J, et al. Postlicensure surveillance for pneumococcal invasive disease after use of heptavalent pneumococcal conjugate vaccine in Northern California Kaiser Permanente. Pediatr Infect Dis J 2004; 23:485 - 9; http://dx.doi.org/10.1097/01.inf.0000129685.04847.94; PMID: 15194827
   PubMed Web of Science ®Google Scholar
• Whitney CG, Farley MM, Hadler J, Harrison LH, Bennett NM, Lynfield R, et al, Active Bacterial Core Surveillance of the Emerging Infections Program Network. Decline in invasive pneumococcal disease after the introduction of protein-polysaccharide conjugate vaccine. N Engl J Med 2003; 348:1737 - 46; http://dx.doi.org/10.1056/NEJMoa022823; PMID: 12724479
   PubMed Web of Science ®Google Scholar
• Durando P, Crovari P, Ansaldi F, Sticchi L, Sticchi C, Turello V, et al, Collaborative Group for Pneumococcal Vaccination in Liguria. Universal childhood immunisation against Streptococcus pneumoniae: the five-year experience of Liguria Region, Italy. Vaccine 2009; 27:3459 - 62; http://dx.doi.org/10.1016/j.vaccine.2009.01.052; PMID: 19200823
   PubMed Web of Science ®Google Scholar
• Ansaldi F, de Florentiis D, Canepa P, Zancolli M, Martini M, Orsi A, et al. Carriage of Streptoccoccus pneumoniae 7 years after implementation of vaccination program in a population with very high and long-lasting coverage, Italy. Vaccine 2012; 30:2288 - 94; http://dx.doi.org/10.1016/j.vaccine.2012.01.067; PMID: 22306795
   PubMed Web of Science ®Google Scholar
• Palmu AA, Kaijalainen T, Saukkoriipi A, Leinonen M, Kilpi TM. Nasopharyngeal carriage of Streptococcus pneumoniae and pneumococcal urine antigen test in healthy elderly subjects. Scand J Infect Dis 2012; 44:433 - 8; http://dx.doi.org/10.3109/00365548.2011.652162; PMID: 22263905
   PubMed Web of Science ®Google Scholar
• da Gloria Carvalho M, Pimenta FC, Jackson D, Roundtree A, Ahmad Y, Millar EV, et al. Revisiting pneumococcal carriage by use of broth enrichment and PCR techniques for enhanced detection of carriage and serotypes. J Clin Microbiol 2010; 48:1611 - 8; http://dx.doi.org/10.1128/JCM.02243-09; PMID: 20220175
   PubMed Web of Science ®Google Scholar
• Pai R, Gertz RE, Beall B. Sequential multiplex PCR approach for determining capsular serotypes of Streptococcus pneumoniae isolates. J Clin Microbiol 2006; 44:124 - 31; http://dx.doi.org/10.1128/JCM.44.1.124-131.2006; PMID: 16390959
   PubMed Web of Science ®Google Scholar
• Adetifa IM, Antonio M, Okoromah CA, Ebruke C, Inem V, Nsekpong D, et al. Pre-vaccination nasopharyngeal pneumococcal carriage in a Nigerian population: epidemiology and population biology. PLoS One 2012; 7:e30548; http://dx.doi.org/10.1371/journal.pone.0030548; PMID: 22291984
   PubMedGoogle Scholar
• Turner P, Turner C, Jankhot A, Helen N, Lee SJ, Day NP, et al. A longitudinal study of Streptococcus pneumoniae carriage in a cohort of infants and their mothers on the Thailand-Myanmar border. PLoS One 2012; 7:e38271; http://dx.doi.org/10.1371/journal.pone.0038271; PMID: 22693610
   PubMed Web of Science ®Google Scholar
• Flasche S, Van Hoek AJ, Sheasby E, Waight P, Andrews N, Sheppard C, et al. Effect of pneumococcal conjugate vaccination on serotype-specific carriage and invasive disease in England: a cross-sectional study. PLoS Med 2011; 8:e1001017; http://dx.doi.org/10.1371/journal.pmed.1001017; PMID: 21483718
   PubMed Web of Science ®Google Scholar
• Ridda I, Macintyre CR, Lindley R, McIntyre PB, Brown M, Oftadeh S, et al. Lack of pneumococcal carriage in the hospitalised elderly. Vaccine 2010; 28:3902 - 4; http://dx.doi.org/10.1016/j.vaccine.2010.03.073; PMID: 20398618
   PubMed Web of Science ®Google Scholar
• Mackenzie GA, Leach AJ, Carapetis JR, Fisher J, Morris PS. Epidemiology of nasopharyngeal carriage of respiratory bacterial pathogens in children and adults: cross-sectional surveys in a population with high rates of pneumococcal disease. BMC Infect Dis 2010; 10:304; http://dx.doi.org/10.1186/1471-2334-10-304; PMID: 20969800
   PubMed Web of Science ®Google Scholar
• Spijkerman J, van Gils EJ, Veenhoven RH, Hak E, Yzerman EP, van der Ende A, et al. Carriage of Streptococcus pneumoniae 3 years after start of vaccination program, the Netherlands. Emerg Infect Dis 2011; 17:584 - 91; PMID: 21470445
   PubMed Web of Science ®Google Scholar
• Scott JR, Millar EV, Lipsitch M, Moulton LH, Weatherholtz R, Perilla MJ, et al. Impact of more than a decade of pneumococcal conjugate vaccine use on carriage and invasive potential in Native American communities. J Infect Dis 2012; 205:280 - 8; http://dx.doi.org/10.1093/infdis/jir730; PMID: 22128315
   PubMed Web of Science ®Google Scholar
• Ansaldi F, de Florentis D, Canepa P, Bandettini R, Diana MC, Martini M, et al. Epidemiological changes after PCV7 implementation in Italy: perspective for new vaccines. Hum Vaccin 2011; 7:Suppl 211 - 6; http://dx.doi.org/10.4161/hv.7.0.14602; PMID: 21546795
   PubMed Web of Science ®Google Scholar
• Carvalho MdaG, Bigogo GM, Junghae M, Pimenta FC, Moura I, Roundtree A, et al. Potential nonpneumococcal confounding of PCR-based determination of serotype in carriage. J Clin Microbiol 2012; 50:3146 - 7; http://dx.doi.org/10.1128/JCM.01505-12; PMID: 22760044
   PubMed Web of Science ®Google Scholar