Effect of introduction of the pneumococcal conjugate vaccine on drug-resistant Streptococcus pneumoniae

Moe H. Kyaw, Ruth Lynfield, William Schaffner, Allen S. Craig, James Hadler, Arthur Reingold, Ann R. Thomas, Lee H. Harrison, Nancy M. Bennett, Monica M. Farley, Richard R. Facklam, James H. Jorgensen, John Besser, Elizabeth R. Zell, Anne Schuchat, Cynthia G. Whitney

Research output: Contribution to journalArticle

639 Citations (Scopus)

Abstract

BACKGROUND: Five of seven serotypes in the pneumococcal conjugate vaccine, introduced for infants in the United States in 2000, are responsible for most penicillin-resistant infections. We examined the effect of this vaccine on invasive disease caused by resistant strains. METHODS: We used laboratory-based data from Active Bacterial Core surveillance to measure disease caused by antibiotic-nonsusceptible pneumococci from 1996 through 2004. Cases of invasive disease, defined as disease caused by pneumococci isolated from a normally sterile site, were identified in eight surveillance areas. Isolates underwent serotyping and susceptibility testing. RESULTS: Rates of invasive disease caused by penicillin-nonsusceptible strains and strains not susceptible to multiple antibiotics peaked in 1999 and decreased by 2004, from 6.3 to 2.7 cases per 100,000 (a decline of 57 percent; 95 percent confidence interval, 55 to 58 percent) and from 4.1 to 1.7 cases per 100,000 (a decline of 59 percent; 95 percent confidence interval, 58 to 60 percent), respectively. Among children under two years of age, disease caused by penicillin-nonsusceptible strains decreased from 70.3 to 13.1 cases per 100,000 (a decline of 81 percent; 95 percent confidence interval, 80 to 82 percent). Among persons 65 years of age or older, disease caused by penicillin-nonsusceptible strains decreased from 16.4 to 8.4 cases per 100,000 (a decline of 49 percent). Rates of resistant disease caused by vaccine serotypes fell 87 percent. An increase was seen in disease caused by serotype 19A, a serotype not included in the vaccine (from 2.0 to 8.3 per 100,000 among children under two years of age). CONCLUSIONS: The rate of antibiotic-resistant invasive pneumococcal infections decreased in young children and older persons after the introduction of the conjugate vaccine. There was an increase in infections caused by serotypes not included in the vaccine.

Original languageEnglish (US)
Pages (from-to)1455-1463
Number of pages9
JournalNew England Journal of Medicine
Volume354
Issue number14
DOIs
StatePublished - Apr 6 2006
Externally publishedYes

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Conjugate Vaccines
Pneumococcal Vaccines
Streptococcus pneumoniae
Pharmaceutical Preparations
Penicillins
Vaccines
Confidence Intervals
Anti-Bacterial Agents
Pneumococcal Infections
Serotyping
Infection
Serogroup

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Kyaw, M. H., Lynfield, R., Schaffner, W., Craig, A. S., Hadler, J., Reingold, A., ... Whitney, C. G. (2006). Effect of introduction of the pneumococcal conjugate vaccine on drug-resistant Streptococcus pneumoniae. New England Journal of Medicine, 354(14), 1455-1463. https://doi.org/10.1056/NEJMoa051642

Effect of introduction of the pneumococcal conjugate vaccine on drug-resistant Streptococcus pneumoniae. / Kyaw, Moe H.; Lynfield, Ruth; Schaffner, William; Craig, Allen S.; Hadler, James; Reingold, Arthur; Thomas, Ann R.; Harrison, Lee H.; Bennett, Nancy M.; Farley, Monica M.; Facklam, Richard R.; Jorgensen, James H.; Besser, John; Zell, Elizabeth R.; Schuchat, Anne; Whitney, Cynthia G.

In: New England Journal of Medicine, Vol. 354, No. 14, 06.04.2006, p. 1455-1463.

Research output: Contribution to journalArticle

Kyaw, MH, Lynfield, R, Schaffner, W, Craig, AS, Hadler, J, Reingold, A, Thomas, AR, Harrison, LH, Bennett, NM, Farley, MM, Facklam, RR, Jorgensen, JH, Besser, J, Zell, ER, Schuchat, A & Whitney, CG 2006, 'Effect of introduction of the pneumococcal conjugate vaccine on drug-resistant Streptococcus pneumoniae', New England Journal of Medicine, vol. 354, no. 14, pp. 1455-1463. https://doi.org/10.1056/NEJMoa051642
Kyaw, Moe H. ; Lynfield, Ruth ; Schaffner, William ; Craig, Allen S. ; Hadler, James ; Reingold, Arthur ; Thomas, Ann R. ; Harrison, Lee H. ; Bennett, Nancy M. ; Farley, Monica M. ; Facklam, Richard R. ; Jorgensen, James H. ; Besser, John ; Zell, Elizabeth R. ; Schuchat, Anne ; Whitney, Cynthia G. / Effect of introduction of the pneumococcal conjugate vaccine on drug-resistant Streptococcus pneumoniae. In: New England Journal of Medicine. 2006 ; Vol. 354, No. 14. pp. 1455-1463.
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abstract = "BACKGROUND: Five of seven serotypes in the pneumococcal conjugate vaccine, introduced for infants in the United States in 2000, are responsible for most penicillin-resistant infections. We examined the effect of this vaccine on invasive disease caused by resistant strains. METHODS: We used laboratory-based data from Active Bacterial Core surveillance to measure disease caused by antibiotic-nonsusceptible pneumococci from 1996 through 2004. Cases of invasive disease, defined as disease caused by pneumococci isolated from a normally sterile site, were identified in eight surveillance areas. Isolates underwent serotyping and susceptibility testing. RESULTS: Rates of invasive disease caused by penicillin-nonsusceptible strains and strains not susceptible to multiple antibiotics peaked in 1999 and decreased by 2004, from 6.3 to 2.7 cases per 100,000 (a decline of 57 percent; 95 percent confidence interval, 55 to 58 percent) and from 4.1 to 1.7 cases per 100,000 (a decline of 59 percent; 95 percent confidence interval, 58 to 60 percent), respectively. Among children under two years of age, disease caused by penicillin-nonsusceptible strains decreased from 70.3 to 13.1 cases per 100,000 (a decline of 81 percent; 95 percent confidence interval, 80 to 82 percent). Among persons 65 years of age or older, disease caused by penicillin-nonsusceptible strains decreased from 16.4 to 8.4 cases per 100,000 (a decline of 49 percent). Rates of resistant disease caused by vaccine serotypes fell 87 percent. An increase was seen in disease caused by serotype 19A, a serotype not included in the vaccine (from 2.0 to 8.3 per 100,000 among children under two years of age). CONCLUSIONS: The rate of antibiotic-resistant invasive pneumococcal infections decreased in young children and older persons after the introduction of the conjugate vaccine. There was an increase in infections caused by serotypes not included in the vaccine.",
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AU - Hadler, James

AU - Reingold, Arthur

AU - Thomas, Ann R.

AU - Harrison, Lee H.

AU - Bennett, Nancy M.

AU - Farley, Monica M.

AU - Facklam, Richard R.

AU - Jorgensen, James H.

AU - Besser, John

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N2 - BACKGROUND: Five of seven serotypes in the pneumococcal conjugate vaccine, introduced for infants in the United States in 2000, are responsible for most penicillin-resistant infections. We examined the effect of this vaccine on invasive disease caused by resistant strains. METHODS: We used laboratory-based data from Active Bacterial Core surveillance to measure disease caused by antibiotic-nonsusceptible pneumococci from 1996 through 2004. Cases of invasive disease, defined as disease caused by pneumococci isolated from a normally sterile site, were identified in eight surveillance areas. Isolates underwent serotyping and susceptibility testing. RESULTS: Rates of invasive disease caused by penicillin-nonsusceptible strains and strains not susceptible to multiple antibiotics peaked in 1999 and decreased by 2004, from 6.3 to 2.7 cases per 100,000 (a decline of 57 percent; 95 percent confidence interval, 55 to 58 percent) and from 4.1 to 1.7 cases per 100,000 (a decline of 59 percent; 95 percent confidence interval, 58 to 60 percent), respectively. Among children under two years of age, disease caused by penicillin-nonsusceptible strains decreased from 70.3 to 13.1 cases per 100,000 (a decline of 81 percent; 95 percent confidence interval, 80 to 82 percent). Among persons 65 years of age or older, disease caused by penicillin-nonsusceptible strains decreased from 16.4 to 8.4 cases per 100,000 (a decline of 49 percent). Rates of resistant disease caused by vaccine serotypes fell 87 percent. An increase was seen in disease caused by serotype 19A, a serotype not included in the vaccine (from 2.0 to 8.3 per 100,000 among children under two years of age). CONCLUSIONS: The rate of antibiotic-resistant invasive pneumococcal infections decreased in young children and older persons after the introduction of the conjugate vaccine. There was an increase in infections caused by serotypes not included in the vaccine.

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