Medical Education and Research Center, King Fahad Specialist Hospital, Qassim, Saudi Arabia,1 Department of Preventive Medicine, Ministry of Health, Riyadh, Saudi Arabia,2 Meningococcal Reference Unit, HPA North West Laboratory, Manchester Royal Infirmary, Manchester M13 9WZ, United Kingdom,3 Statistics Unit, HPA Centre for Infections, London NW9 5EQ, United Kingdom4
Received 14 July 2005/ Returned for modification 9 August 2005/ Accepted 10 August 2005
Meningococcal tetravalent polysaccharide vaccines were observed to be immunogenic in Saudi children 5 to 9 years of age, with >90% having serum bactericidal antibody titers of
8 for serogroups A, Y, and W135; for serogroup C, 77% were putatively protected after vaccination.
| Antimicrob. Agents Chemother. | Clin. Microbiol. Rev. | Infect. Immun. |
|---|---|---|
| J. Clin. Microbiol. | J. Virol. | ALL ASM JOURNALS |