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  1. Article ; Online: Hybrid Immunity to Severe Acute Respiratory Syndrome Coronavirus 2 During Pregnancy Provides More Durable Infant Antibody Responses Compared to Natural Infection or Vaccination Alone.

    LaCourse, Sylvia M / Wetzler, Erica A / Aurelio, Morgan C / Escudero, Jaclyn N / Selke, Stacy S / Greninger, Alexander L / Goecker, Erin A / Barnes, Sarina R / Arnould, Isabel S / Pérez-Osorio, Ailyn C / Richardson, Barbra A / Kachikis, Alisa / Englund, Janet A / Drake, Alison L

    The Journal of infectious diseases

    2024  Volume 229, Issue 4, Page(s) 1241–1243

    MeSH term(s) Infant ; Female ; Pregnancy ; Humans ; SARS-CoV-2 ; Antibody Formation ; COVID-19/prevention & control ; Vaccination ; Antibodies, Viral
    Chemical Substances Antibodies, Viral
    Language English
    Publishing date 2024-02-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3019-3
    ISSN 1537-6613 ; 0022-1899
    ISSN (online) 1537-6613
    ISSN 0022-1899
    DOI 10.1093/infdis/jiae046
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Hybrid immunity to SARS-CoV-2 during pregnancy provides more durable infant antibody responses compared to natural infection alone.

    LaCourse, Sylvia M / Wetzler, Erica A / Aurelio, Morgan C / Escudero, Jaclyn N / Selke, Stacy S / Greninger, Alexander L / Goecker, Erin A / Barnes, Sarina R / Arnould, Isabel S / Pérez-Osorio, Ailyn C / Richardson, Barbra A / Kachikis, Alisa / Englund, Janet A / Drake, Alison L

    The Journal of infectious diseases

    2023  

    Abstract: Background: Hybrid immunity (infection plus vaccination) may increase maternally-derived SARS-CoV-2 antibody responses and durability vs. infection alone.: Methods: Prospective cohort of pregnant participants with prior SARS-CoV-2 infection (anti- ... ...

    Abstract Background: Hybrid immunity (infection plus vaccination) may increase maternally-derived SARS-CoV-2 antibody responses and durability vs. infection alone.
    Methods: Prospective cohort of pregnant participants with prior SARS-CoV-2 infection (anti-nucleocapsid IgG+, RT-PCR + or antigen+) and their infants had blood collected in pregnancy, delivery/birth, and postpartum tested for anti-spike (anti-S) IgG and neutralizing antibodies (neutAb).
    Results: Among 107 participants at enrollment, 40% were unvaccinated and 60% were vaccinated (received ≥1 dose); 102 had previous SARS-CoV-2 infection in pregnancy (median 19 weeks gestation); 5 were diagnosed just prior to prior to pregnancy (median 8 weeks). At delivery, fewer unvaccinated participants (87% anti-S IgG+, 86% neutAb) and their infants (86% anti-S IgG+, 75% neutAb) had anti-S IgG + or neutAb compared to vaccinated participants and their infants (100%, p ≤ 0.01 for all). By 3-6 months postpartum, 50% of infants of unvaccinated participants were anti-S IgG + and 14% had neutAb, vs. 100% among infants of vaccinated participants (all p < 0.01), with lower median antibody responses (anti-S IgG log10 1.95 vs. 3.84 AU/ml, p < 0.01; neutAb log10 1:1.34 vs. 1:3.20, p = 0.11).
    Conclusions: In pregnant people with prior SARS-CoV-2, vaccination before delivery provided more durable maternally-derived antibody responses than infection alone in infants through 6 months.
    Language English
    Publishing date 2023-12-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3019-3
    ISSN 1537-6613 ; 0022-1899
    ISSN (online) 1537-6613
    ISSN 0022-1899
    DOI 10.1093/infdis/jiad592
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

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