ArticleActa naturae
The Parameters of Long-Term Humoral Immunity Induced by a Single Injection of the Sputnik Light Vaccine Among Noninfected Volunteers and Those Infected with SARS-CoV-2.
Article in Acta naturae. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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
1 citing paper in PubMed.
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Authors and funding
17 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although the immunogenicity of clinically approved COVID-19 vaccines remains under intensive investigation, little is still known about the parameters of long-term immune responses. In this paper, we present for the first time the parameters of humoral immunity studied in the phase 1-2 open-label clinical trial of the Sputnik Light vaccine, with a special focus on late follow-up time points (90 and 180 days). For the most accurate assessment of the parameters of humoral post-vaccination immunity (titer and avidity index of antigen-specific antibodies against the RBD domain of SARS-CoV-2), we conducted an additional analysis that allowed us to triage volunteers with immunity formed only in response to vaccination, as well as those with hybrid immunity (infected with SARS-CoV-2 before and after vaccination). The findings indicate that single-shot vaccination with the Sputnik Light vaccine induces a durable (seroconversion 73% on day 180) and mature humoral immunity. Natural immunization as a result of the SARS-CoV-2 infection leads to significant changes in the studied parameters of post-vaccination immunity.
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