ArticleThe Korean journal of internal medicine2022
Comparison of the rapidity of SARS-CoV-2 immune responses between primary and booster vaccination for COVID-19.
Article in The Korean journal of internal medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Unveiling the Hidden Burden of TORCH Infections in HIV Patients: A Residual Serum Seroepidemiological Study in a Korean Metropolitan City.Infection & chemotherapy · 2025Article
- Limitations of neutralizing antibody titers in COVID-19 vaccine efficacy trials and a call for additional correlates of protection.Human vaccines & immunotherapeutics · 2025Review
- Longitudinal Analysis of Nursing Home Residents' T-Cell Responses After SARS-CoV-2 mRNA Vaccinations Shows Influence of Biological Sex and Infection History.The Journal of infectious diseases · 2024Article
- Waning Humoral Immune Response Following the Third and Fourth SARS-COV-2 Vaccine: A Cohort Study in Healthcare Workers.Influenza and other respiratory viruses · 2024Article
- T cell immune memory after covid-19 and vaccination.BMJ medicine · 2023Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
aimsThe rapidity of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-specific memory B or T cell response in vaccinated individuals is important for our understanding of immunopathogenesis of coronavirus disease 2019 (COVID-19). We therefore compared the timing of adequate immune responses between the first and booster doses of COVID-19 vaccines in infection-naïve healthcare workers.
methodsWe enrolled healthcare workers who received two doses of either the BNT162b2 vaccine or the ChAdOx1 vaccine, all of whom received the BNT162b2 vaccine as the booster (the third) dose. Spike 1 (S1)-immunoglobulin G (IgG) antibodies and interferon gamma producing T cell responses were measured at 0, 7, 14, and 21 days after the first dose, and at 0 and between 2 to 7 days after the booster dose.
resultsAfter the first-dose vaccination, the S1-IgG antibody responses were elicited within 14 days in the BNT162b2 group and within 21 days in the ChAdOx1 group. After the booster dose, the S1-IgG antibody responses were elicited within 5 days in both groups. The SARS-CoV-2-specific T cell responses appeared at 7 days after the first dose and at 4 days after the booster dose.
conclusionSARS-CoV-2-specific immune responses by memory B cells and T cells may be expected to appear around 4 to 5 days after the booster dose.
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