On the controversy about the efficacy of the antimeningococcal B vaccine: methodological pitfalls

• Autor Principal: Costa Eduardo de A. (Author)
• Formato: Libro
• Publicado: Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, 1995-01-01T00:00:00Z.
• Subjects: article
• Acceso en liña: Connect to this object online.

The present communication analyses methodological problems related to evaluating the protection given by the antimeningococcal B vaccine to children under four years of age in a case-control study carried out in Sao Paulo, Brazil. Detection of a hospital selection bias, among other disturbing featur...