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The Effect of Small...
The Effect of Smallpox and Bacillus Calmette-Guérin Vaccination on the Risk of Human Immunodeficiency Virus-1 Infection in Guinea-Bissau and Denmark
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- Rieckmann, Andreas (författare)
- Odense University Hospital,Danish Serum Institute, Copenhagen
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- Villumsen, Marie (författare)
- Danish Serum Institute, Copenhagen,Frederiksberg Hospital
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- Jensen, Mette Lundsby (författare)
- Holbæk Hospital
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Ravn, Henrik (författare)
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- Da Silva, Zacarias J. (författare)
- National Institute of Public Health (INASA), Guinea-Bissau
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- Sørup, Signe (författare)
- Danish Serum Institute, Copenhagen
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- Baker, Jennifer Lyn (författare)
- Frederiksberg Hospital
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- Rodrigues, Amabélia (författare)
- Bandim Health Project
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- Benn, Christine Stabell (författare)
- Danish Serum Institute, Copenhagen,Odense University Hospital
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- Roth, Adam E. (författare)
- Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups
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- Aaby, Peter (författare)
- Bandim Health Project
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(creator_code:org_t)
- 2017
- 2017
- Engelska.
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Ingår i: Open Forum Infectious Diseases. - 2328-8957. ; 4:3
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background. The live smallpox and Bacillus Calmette-Guérin (BCG) vaccinations have been associated with better adult survival in both Guinea-Bissau and Denmark. In Guinea-Bissau, human immunodeficiency virus (HIV)-1 became an important cause of death after smallpox vaccination was phased out globally in 1980. We hypothesised that smallpox and BCG vaccinations were associated with a lower prevalence of HIV-1 infection, and we tested this hypothesis in both Guinea-Bissau and Denmark. Methods. We conducted 2 studies: (1) a cross-sectional study of HIV infection and vaccination scars in Guinea-Bissau including 1751 individuals and (2) a case-base study with a background population of 46 239 individuals in Denmark. In Guinea-Bissau, HIV-1 transmission was almost exclusively sexually transmitted. In Denmark, we excluded intravenous drug users. Data were analyzed using logistic regression. Results. Bacillus Calmette-Guérin and/or smallpox vaccination compared with neither of these vaccines was associated with an adjusted odds ratio (aOR) for HIV-1 of 0.62 (95% confidence interval [CI], 0.36-1.07) in Guinea-Bissau and 0.70 (95% CI, 0.43-1.15) in Denmark. We combined the results from both settings in a meta-analysis (aOR = 0.66; 95% CI, 0.46-0.96). Data from Guinea-Bissau indicated a stronger effect of multiple smallpox vaccination scars (aOR = 0.27; 95% CI, 0.10-0.75) as follows: women, aOR = 0.18 (95% CI, 0.05-0.64); men, aOR = 0.52 (95% CI, 0.12-2.33); sex-differential effect, P = .29. Conclusions. The studies from Guinea-Bissau and Denmark, 2 very different settings, both suggest that the BCG and smallpox vaccines could be associated with a decreased risk of sexually transmitted HIV-1. It might be informative to pursue this observation and explore possible protective mechanisms as part of the search for an HIV-1 vaccine.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
Nyckelord
- BCG vaccine
- heterologous immunity
- HIV-1
- nonspecific effects of vaccines
- smallpox vaccine
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Rieckmann, Andre ...
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Villumsen, Marie
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Jensen, Mette Lu ...
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Ravn, Henrik
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Da Silva, Zacari ...
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Sørup, Signe
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Baker, Jennifer ...
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Rodrigues, Amabé ...
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Benn, Christine ...
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Roth, Adam E.
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Aaby, Peter
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