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Meningococcal Serogroup C Conjugate Vaccine Is Immunogenic in Infancy and Primes for Memory

Richmond, Peter, Borrow, Ray, Miller, Elizabeth, Clark, Sarah, Sadler, Francesca, Fox, Andrew, Begg, Norman, Morris, Rhonwen, Cartwright, Keith·1999·The Journal of Infectious Diseases

Abstract

The safety, immunogenicity, and immunologic priming of 2 dosages (2 microgram or 10 microgram) of a meningococcal C oligosaccharide-CRM197 conjugate vaccine was evaluated in 114 infants vaccinated at ages 2, 3, and 4 months. Antibody persistence and response to boosting with 10 microgram of meningococcal C polysaccharide were assessed. The meningococcal conjugate vaccine produced fewer local reactions than concurrent routine immunizations. Total serogroup C-specific immunoglobulin geometric mean concentration (GMC) increased from 0.3 microgram/mL before vaccination to 13.1 microgram/mL at age 5 months. Serum bactericidal antibody (SBA) geometric mean titers (GMTs) rose from <1:4 to 1:1057 at 5 months and fell by 14 months to 1:19. Following boosting, anti-C-specific immunoglobulin GMC rose to 15.9 microgram/mL and SBA GMT to 1:495. Antibody responses in the 10-microgram dose cohort were significantly higher at 5 months (P<.01) than in the 2-microgram dose cohort but were lower after polysaccharide boosting (P=.02). This meningococcal conjugate vaccine was well tolerated and immunogenic and induced immunologic memory in infants.

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Metadata

Authors
Richmond, P., Borrow, R., Miller, E., Clark, S., Sadler, F., Fox, A., Begg, N., Morris, R., & Cartwright, K.
Venue
The Journal of Infectious Diseases
Published
1999-06
Volume
179
Issue
6
Pages
1569-1572
ISSN
  • 0022-1899 (ISSN-L)
  • 1537-6613
OpenAlex
W2002678874
Cited by
240
References
0
FWCI
15.24
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Meningococcal Serogroup C Conjugate Vaccine Is Immunogenic in Infancy and Primes for Memory. https://app.cochat.ai/papers/10.1086/314753
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Richmond, P., Borrow, R., Miller, E., Clark, S., Sadler, F., Fox, A., Begg, N., Morris, R., & Cartwright, K. (1999). Meningococcal Serogroup C Conjugate Vaccine Is Immunogenic in Infancy and Primes for Memory. The Journal of Infectious Diseases. https://doi.org/10.1086/314753

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