Effectiveness of the polysaccharide pneumococcal vaccine among HIV-infected persons in Brazil: a case control study.

Abstract:

BACKGROUND:Polysaccharide pneumococcal vaccine is recommended for use in HIV-infected adults in Brazil but there is uncertainty about its effectiveness in this patient population. The main objective of this study was to assess the effectiveness of the 23-valent polysaccharide pneumococcal vaccine against invasive pneumococcal infection among HIV-infected adult patients in São Paulo, Brazil. METHODS:A case-control study of 79 cases and 242 controls matched on CD4+ cell count and health care setting was conducted. Among HIV-infected adults in São Paulo, Brazil, with and without S. pneumoniae recovered from a normally sterile site; prior receipt of 23 valent polysaccharide pneumococcal vaccine was determined by review of medical records and patient interview. RESULTS:After adjustment for confounding factors, the point estimate for the effectiveness of 23 valent polysaccharide vaccine among HIV-infected adults against all invasive pneumococcal infection was 18% (95% CI: <0 to 62%). CONCLUSION:We were unable to demonstrate a statistically significant protective effect of 23 valent polysaccharide against invasive pneumococcal infection vaccine among HIV-infected adults in Brazil.While the vaccine is relatively inexpensive and safe, its effectiveness among HIV-infected adults in Brazil is uncertain.

journal_name

BMC Infect Dis

journal_title

BMC infectious diseases

authors

Veras MA,Enanoria WT,Castilho EA,Reingold AL

doi

10.1186/1471-2334-7-119

subject

Has Abstract

pub_date

2007-10-23 00:00:00

pages

119

issn

1471-2334

pii

1471-2334-7-119

journal_volume

7

pub_type

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