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The presence of VR3 epitope variant 35 or 36 on the surfaces of 87% of the strains analyzed suggests that these antigens should be considered for inclusion in new formulations of vaccines against serogroup B meningococci in Brazil.\n          <\/jats:p>","DOI":"10.1128\/iai.01721-06","type":"journal-article","created":{"date-parts":[[2007,5,15]],"date-time":"2007-05-15T00:58:35Z","timestamp":1179190715000},"page":"3683-3685","update-policy":"http:\/\/dx.doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":10,"title":["PorA Variable Antigenic Regions VR1, VR2, and VR3 of\n            <i>Neisseria meningitidis<\/i>\n            Serogroups B and C Isolated in Brazil from 1999 to 2004"],"prefix":"10.1128","volume":"75","author":[{"given":"Ivano","family":"de Filippis","sequence":"first","affiliation":[{"name":"National Institute for Quality Control of Health, Oswaldo Cruz Foundation, Rio de Janeiro 21045-900, Brazil"},{"name":"National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudia Ferreira","family":"de Andrade","sequence":"additional","affiliation":[{"name":"National Institute for Quality Control of Health, Oswaldo Cruz Foundation, Rio de Janeiro 21045-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luciete","family":"Silva","sequence":"additional","affiliation":[{"name":"Leonidas and Maria Deane Research Center, Oswaldo Cruz Foundation, 69057-070 Manaus, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D. 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