HIV-exposed uninfected children: a growing population with a vulnerable immune system?

Through the successful implementation of policies to prevent mother-to-child-transmission (PMTCT) of HIV-1 infection, children born to HIV-1-infected mothers are now much less likely to acquire HIV-1 infection than previously. Nevertheless, HIV-1-exposed uninfected (HEU) children have substantially...

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Main Authors: Afran, L, Garcia Knight, M, Nduati, E, Urban, B, Heyderman, R, Rowland-Jones, S
Format: Journal article
Language:English
Published: 2014
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author Afran, L
Garcia Knight, M
Nduati, E
Urban, B
Heyderman, R
Rowland-Jones, S
author_facet Afran, L
Garcia Knight, M
Nduati, E
Urban, B
Heyderman, R
Rowland-Jones, S
author_sort Afran, L
collection OXFORD
description Through the successful implementation of policies to prevent mother-to-child-transmission (PMTCT) of HIV-1 infection, children born to HIV-1-infected mothers are now much less likely to acquire HIV-1 infection than previously. Nevertheless, HIV-1-exposed uninfected (HEU) children have substantially increased morbidity and mortality compared with children born to uninfected mothers (unexposed uninfected, UU), predominantly from infectious causes. Moreover, a range of phenotypical and functional immunological differences between HEU and UU children has been reported. As the number of HEU children continues to increase worldwide, two questions with clear public health importance need to be addressed: first, does exposure to HIV-1 and/or ART in utero or during infancy have direct immunological consequences, or are these poor outcomes simply attributable to the obvious disadvantages of being born into an HIV-affected household? Secondly, can we expect improved maternal care and ART regimens during and after pregnancy, together with optimized infant immunization schedules, to reduce the excess morbidity and mortality of HEU children?
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spelling oxford-uuid:d0c9dffe-d7b9-4f87-88cf-d642982b0b5f2022-03-27T07:52:30ZHIV-exposed uninfected children: a growing population with a vulnerable immune system?Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:d0c9dffe-d7b9-4f87-88cf-d642982b0b5fEnglishSymplectic Elements at Oxford2014Afran, LGarcia Knight, MNduati, EUrban, BHeyderman, RRowland-Jones, SThrough the successful implementation of policies to prevent mother-to-child-transmission (PMTCT) of HIV-1 infection, children born to HIV-1-infected mothers are now much less likely to acquire HIV-1 infection than previously. Nevertheless, HIV-1-exposed uninfected (HEU) children have substantially increased morbidity and mortality compared with children born to uninfected mothers (unexposed uninfected, UU), predominantly from infectious causes. Moreover, a range of phenotypical and functional immunological differences between HEU and UU children has been reported. As the number of HEU children continues to increase worldwide, two questions with clear public health importance need to be addressed: first, does exposure to HIV-1 and/or ART in utero or during infancy have direct immunological consequences, or are these poor outcomes simply attributable to the obvious disadvantages of being born into an HIV-affected household? Secondly, can we expect improved maternal care and ART regimens during and after pregnancy, together with optimized infant immunization schedules, to reduce the excess morbidity and mortality of HEU children?
spellingShingle Afran, L
Garcia Knight, M
Nduati, E
Urban, B
Heyderman, R
Rowland-Jones, S
HIV-exposed uninfected children: a growing population with a vulnerable immune system?
title HIV-exposed uninfected children: a growing population with a vulnerable immune system?
title_full HIV-exposed uninfected children: a growing population with a vulnerable immune system?
title_fullStr HIV-exposed uninfected children: a growing population with a vulnerable immune system?
title_full_unstemmed HIV-exposed uninfected children: a growing population with a vulnerable immune system?
title_short HIV-exposed uninfected children: a growing population with a vulnerable immune system?
title_sort hiv exposed uninfected children a growing population with a vulnerable immune system
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