A population-based seroprevalence of SARS-CoV-2-specific antibodies among adults in St Petersburg, Russia: a longitudinal cohort study

European University at Saint Petersburg0 个研究点目标入组 1,000 人开始时间: 2020年5月28日最近更新: 2023年6月26日

试验速览

2020 Preprint results in https://doi.org/10.1101/2020.11.02.20221309 non-peer-reviewed results in preprint (added 16/03/2021) 2021 Results article in https://pubmed.ncbi.nlm.nih.gov/34081328/ (added 14/06/2023) 2021 Results article in https://pubmed.ncbi.nlm.nih.gov/34155259/ (added 14/06/2023) 2022 Results article in https://pubmed.ncbi.nlm.nih.gov/35704649/ (added 14/06/2023) 2022 Results article in https://pubmed.ncbi.nlm.nih.gov/36138385/ (added 14/06/2023)

•1. Individuals sampled from the population of St Petersburg, Russia using random digit dialling
•2. Aged 18 and older of both genders
•3. Asymptomatic at the time of blood draw
•4. Written informed consent for a blood draw, SARS-COV-2 antibody test, and data collection

•1. Presence of fever or cough or respiratory distress at the time of blood test not attributable to other known chronic disease
•2. Age under 18
•3. Any health condition that may be a contraindication towards blood sampling in outpatient clinic
•4. Residence in Kolpinskiy, Kurortniy, Krasnoselsky, Kronshtadtskiy, Petrodvorcoviy, Pushkinskiy districts of St Petersburg

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