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Study of the Spread of COVID-19 in Saint Petersburg, Russia

COVID19 Clinical Trial

Official title:
A Population-Based Seroprevalence of SARS-CoV-2-Specific Antibodies Among Adults in Saint Petersburg, Russia: Longitudinal Cohort Study

Clinical Trial Summary

Seroprevalence study of COVID-19 in Saint Petersburg, Russia is a regional longitudinal cohort study aiming to evaluate the spread dynamics of the COVID-19 disease in the population of Saint Petersburg. Clinically asymptomatic adults are sampled from the population using random digit dialing and tested for the presence of SARS-CoV-2-specific antibodies in the blood serum. Data collection and serial sampling of the same individuals spans four weeks and is conducted every two weeks in order to understand both the spread of the virus in the population.

Clinical Trial Description

At least 1 000 individuals, 18 years old and older, are randomly sampled using random digit dialing from the population of Saint Petersburg, Russia. Random sampling is performed by a survey company on the list of mobile phone numbers with designated geography prefixes of St. Petersburg. The baseline questionnaire for computer-assisted telephone interview includes travel history, medical history, and socio-economic status of the respondents. Sampled individuals are then invited to the clinic for blood sampling, their refusal to participate is recorded. Collected blood samples are used for SARS-CoV-2-specific antibodies testing. Data and sample collection spans four weeks and is conducted every two weeks. Participants complete additional questionnaires in the clinic providing information on medical history, history of allergies, chronic disease, smoking, and medication taken regularly. Contact tracing data and environmental conditions of the household are reсorded. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04406038
Study type Observational
Source European University at St. Petersburg
Contact
Status Completed
Phase
Start date May 27, 2020
Completion date November 1, 2023
View Details
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