1. Song JH, Jung KS. Treatment guidelines for community-acquired pneumonia in Korea: an evidence-based approach to appropriate antimicrobial therapy. J Korean Med Assoc 2010;53:20-42.
2. Song JY, Choi JY, Lee JS, Bae IG, Kim YK, Sohn JW, Jo YM, Choi WS, Lee J, Park KH, Kim WJ, Cheong HJ. Clinical and economic burden of invasive pneumococcal disease in adults: a multicenter hospital-based study. BMC Infect Dis 2013;13:202.
4. Van Hoek AJ, Andrews N, Waight PA, Stowe J, Gates P, George R, Miller E. The effect of underlying clinical conditions on the risk of developing invasive pneumococcal disease in England. J Infect 2012;65:17-24.
5. Kyaw MH, Rose CE Jr, Fry AM, Singleton JA, Moore Z, Zell ER, Whitney CG. Active Bacterial Core Surveillance Program of the Emerging Infections Program Network. The influence of chronic illnesses on the incidence of invasive pneumococcal disease in adults. J Infect Dis 2005;192:377-386.
6. Pelton SI, Weycker D, Farkouh RA, Shea KM, Edelsberg J, Strutton DR. Relative rates of pneumococcal disease are disproportionately high in adults with multiple chronic medical conditions Kenes International. Proceedings of 9th International Symposium on Pneumococci and Pneumococcal Diseases. 2014 Mar 9-13. Hyderabad, India: Geneva: Kenes International. 2014;OP-390.
8. Poolman JT, Peeters CC, van den Dobbelsteen GP. The history of pneumococcal conjugate vaccine development: dose selection. Expert Rev Vaccines 2013;12:1379-1394.
9. Clutterbuck EA, Lazarus R, Yu LM, Bowman J, Bateman EA, Diggle L, Angus B, Peto TE, Beverley PC, Mant D, Pollard AJ. Pneumococcal conjugate and plain polysaccharide vaccines have divergent effects on antigen-specific B cells. J Infect Dis 2012;205:1408-1416.
14. Moberley SA, Holden J, Tatham DP, Andrews RM. Vaccines for preventing pneumococcal infection in adults. Cochrane Database Syst Rev 2008;(1):CD000422.
15. Andrews NJ, Waight PA, George RC, Slack MP, Miller E. Impact and effectiveness of 23-valent pneumococcal polysaccharide vaccine against invasive pneumococcal disease in the elderly in England and Wales. Vaccine 2012;30:6802-6808.
16. Sanford M. Pneumococcal polysaccharide conjugate vaccine (13-valent, adsorbed): in older adults. Drugs 2012;72:1243-1255.
19. Fedson DS. Preventing non bacteremic pneumococcal pneumonia in older adults: Historical background and considerations for choosing between PCV13 and PPV23. Hum Vaccin Immunother 2014;04. 14. [Epub].
http://dx.doi.org/10.4161/hv.28797
20. Fedson DS, Nicolas-Spony L, Klemets P, van der Linden M, Marques A, Salleras L, Samson SI. Pneumococcal polysaccharide vaccination for adults: new perspectives for Europe. Expert Rev Vaccines 2011;10:1143-1167.
21. Kim SH, Song JH, Chung DR, Thamlikitkul V, Yang Y, Wang H, Lu M, So TM, Hsueh PR, Yasin RM, Carlos CC, Pham HV, Lalitha MK, Shimono N, Perera J, Shibl AM, Baek JY, Kang CI, Ko KS, Peck KR. ANSORP Study Group. Changing trends in antimicrobial resistance and serotypes of Streptococcus pneumoniae isolates in Asian countries: an Asian Network for Surveillance of Resistant Pathogens (ANSORP) study. Antimicrob Agents Chemother 2012;56:1418-1426.
22. Grabenstein JD, Weber DJ. Pneumococcal serotype diversity among adults in various countries, influenced by pediatric pneumococcal vaccination uptake. Clin Infect Dis 2014;58:854-864.
23. Lee S, Bae S, Lee KJ, Yu JY, Kang Y. Changes in serotype prevalence and antimicrobial resistance among invasive Streptococcus pneumoniae isolates in Korea, 1996-2008. J Med Microbiol 2013;62((Pt 8):1204-1210.
25. Centers for Disease Control and Prevention (CDC). Use of 13-valent pneumococcal conjugate vaccine and 23-valent pneumococcal polysaccharide vaccine for adults with immunocompromising conditions: recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR Morb Mortal Wkly Rep 2012;61:816-819.
26. Recommended immunization schedule for adults in Korea, by the Korean Society of Infectious Diseases, 2012. Clin Exp Vaccine Res 2014;3:110-112.
27. Bridges CB, Coyne-Beasley T. Advisory Committee on Immunization Practices. Advisory committee on immunization practices recommended immunization schedule for adults aged 19 years or older: United States, 2014. Ann Intern Med 2014;160:190.
29. Weycker D, Sato R, Strutton D, Edelsberg J, Atwood M, Jackson LA. Public health and economic impact of 13-valent pneumococcal conjugate vaccine in US adults aged ≥50 years. Vaccine 2012;30:5437-5444.
30. Wu DB, Roberts CS, Huang YC, Chien L, Fang CH, Chang CJ. A retrospective study to assess the epidemiological and economic burden of pneumococcal diseases in adults aged 50 years and older in Taiwan. J Med Econ 2014;17:312-319.
31. Lexau CA, Lynfield R, Danila R, Pilishvili T, Facklam R, Farley MM, Harrison LH, Schaffner W, Reingold A, Bennett NM, Hadler J, Cieslak PR, Whitney CG. Active Bacterial Core Surveillance Team. Changing epidemiology of invasive pneumococcal disease among older adults in the era of pediatric pneumococcal conjugate vaccine. JAMA 2005;294:2043-2051.