Community cohort study of Cryptosporidium parvum infections: sex-differential incidences associated with BCG and diphtheria-tetanus-pertussis vaccinations

Vaccine
Palle Valentiner-BranthPeter Aaby

Abstract

Community studies in West Africa have suggested that routine vaccinations may have sex-differential non-targeted effects, the female-male mortality ratios being increased after receiving diphtheria-tetanus-pertussis (DTP) vaccination and reduced after administration of BCG or measles vaccine (MV). Using an existing data set, we examined whether vaccinations were associated with gender-differential incidences of Cryptosporidium parvum infection. Two hundred children had been recruited shortly after birth and followed until 2 years of age or until follow-up was interrupted by a war. We performed weekly morbidity interviews and collected stool specimens, irrespective of whether the children had diarrhoea. Vaccination status for each child was classified according to the most recent vaccination with BCG, DTP, or MV. The female-male incidence rate ratio (IRR) for Cryptosporidium infection among children who had received BCG as their last vaccine was 0.0 (95% CI: 0-3.49). However, among those who had received DTP as their last vaccine, the female-male IRR was 6.25 (2.06-18.9) for Cryptosporidium infection and 3.60 (0.91-14.2) for Cryptosporidium-associated diarrhoea. The female-male IRRs for Cryptosporidium infection differed signifi...Continue Reading

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Citations

Jul 16, 2011·Journal of Tropical Medicine·Mogens Helweg Claesson
May 6, 2011·International Journal of Epidemiology·Signe SørupAdam Roth
Nov 26, 2009·The Pediatric Infectious Disease Journal·Peter AabyChristine S Benn
Sep 12, 2014·The Journal of Infectious Diseases·Kristoffer Jarlov JensenChristine Stabell Benn
Mar 29, 2019·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Bastiaan A BlokMihai G Netea
Jul 8, 2015·Journal of Leukocyte Biology·Bastiaan A BlokMihai G Netea

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