Artikel: Impact of Maternal HIV Infection and Placental Malaria on the Transplacental Transfer of Influenza Antibodies in Mother-Infant Pairs in Malawi, 2013-2014.
Open forum infectious diseases
2019 Band 6, Heft 10, Seite(n) ofz383
Abstract: Background: Maternal influenza vaccination protects infants against influenza virus infection. Impaired transplacental transfer of influenza antibodies may reduce this protection.: Methods: We conducted a cross-sectional study of influenza vaccine- ... ...
Abstract | Background: Maternal influenza vaccination protects infants against influenza virus infection. Impaired transplacental transfer of influenza antibodies may reduce this protection. Methods: We conducted a cross-sectional study of influenza vaccine-naïve pregnant women recruited at delivery from Blantyre (urban, low malaria transmission) and Chikwawa (rural, high malaria transmission) in Southern Malawi. HIV-infected mothers were excluded in Chikwawa. Maternal and cord blood antibodies against circulating influenza strains A/California/7/2009, A/Victoria/361/2011, B/Brisbane/60/2008, and B/Wisconsin/1/2010 were measured by hemagglutination inhibition (HAI). We studied the impact of maternal HIV infection and placental malaria on influenza antibody levels in mother-infant pairs in Blantyre and Chikwawa, respectively. Results: We included 454 mother-infant pairs (Blantyre, n = 253; Chikwawa, n = 201). HIV-infected mothers and their infants had lower seropositivity (HAI titer ≥1:40) against influenza A(H1N1)pdm09 (mothers, 24.3 vs 45.4%; Conclusions: Maternal HIV infection influenced maternal antibody response to influenza A virus infection, and thereby antibody levels in newborns, but did not affect transplacental antibody transfer. |
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Sprache | Englisch |
Erscheinungsdatum | 2019-08-28 |
Erscheinungsland | United States |
Dokumenttyp | Journal Article |
ZDB-ID | 2757767-3 |
ISSN | 2328-8957 |
ISSN | 2328-8957 |
DOI | 10.1093/ofid/ofz383 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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