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Author: search.filters.author.Mónica L. AcevedoSubject: search.filters.subject.antibodies, neutralizing

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    Scopus© Citations 4  21
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    Inactivated Vaccine-Induced SARS-CoV-2 Variant-Specific Immunity in Children
    (2022)
    Jorge A. Soto
    ;
    Felipe Melo-González
    ;
    Cristián Gutierrez-Vera
    ;
    Bárbara M. Schultz
    ;
    Roslye V. Berríos-Rojas
    <jats:p>This work evaluated the immune response induced by two doses of CoronaVac separated by 4 weeks in healthy children and adolescents in Chile. To date, few studies have described the effects of CoronaVac in the pediatric population.</jats:p>
      1Scopus© Citations 20  16
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    Evaluation of the Immune Response Induced by CoronaVac 28-Day Schedule Vaccination in a Healthy Population Group
    (2022)
    Alejandro Escobar
    ;
    Felipe E. Reyes-López
    ;
    Mónica L. Acevedo
    ;
    Luis Alonso-Palomares
    ;
    Fernando Valiente-Echeverría
    <jats:p>CoronaVac vaccine from Sinovac Life Science is currently being used in several countries. In Chile, the effectiveness of preventing hospitalization is higher than 80% with a vaccination schedule. However, to date, there are no data about immune response induction or specific memory. For this reason, we recruited 15 volunteers without previous suspected/diagnosed COVID-19 and with negative PCR over time to evaluate the immune response to CoronaVac 28 and 90 days after the second immunization (dpi). The CoronaVac administration induces total and neutralizing anti-spike antibodies in all vaccinated volunteers at 28 and 90 dpi. Furthermore, using ELISpot analysis to assay cellular immune responses against SARS-CoV-2 spike protein, we found an increase in IFN-gamma- and Granzyme B-producing cells in vaccinated volunteers at 28 and 90 dpi. Together, our results indicate that CoronaVac induces a robust humoral immune response and cellular immune memory of at least 90 dpi.</jats:p>
      23Scopus© Citations 19