Capsule switching among C:2b:P1.2,5 meningococcal epidemic strains after mass immunization campaign, Spain

被引:40
作者
Alcalá, B [1 ]
Arreaza, L [1 ]
Salcedo, C [1 ]
Uría, MJ [1 ]
De la Fuente, L [1 ]
Vázquez, JA [1 ]
机构
[1] Cent Nacl Microbiol, Inst Salud Carlos III, Reference Lab Meningococci, Majadahonda 28220, Madrid, Spain
关键词
D O I
10.3201/eid0812.020081
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
A mass immunization campaign for 18-month to 19-year-olds was undertaken in Spain in 1996-1997 because of an epidemic of serogroup C meningococcal disease associated with a C:2b-.P1.2,5 strain belonging to the A4 lineage. Surveillance for the "capsule-switching" phenomenon producing B:2b:P1.2,5 isolates was undertaken. Of 2,975 meningococci characterized, B:2b:P1.2,5 and B:2b:P1.2 antigenic combinations were found in 18 isolates; 15 meningococci were defined as serogroup B belonging to the A4 lineage.
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页码:1512 / 1514
页数:3
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