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"sample_design": "Convenience sample", "sample_analysis_unit": "Participants", "sample_size_obtained": 401, "sample_size_rounded": 400, "start_date": "2020-04-20", "end_date": "2020-04-22" }, { "organisation": [ "Universitätsklinikum Regensburg", "Universitätsklinikum Erlangen", "Institut für klinische Mikrobiologie und Hygiene, Universitätsklinikum Regensburg", "Virologisches Institut, Universitätsklinikum Erlangen" ], "location": [ "Tirschenreuth" ], "analysis_test_manufacturer": [], "resource_url": [ "https://www.kreis-tir.de/buergerservice/aktuelles/news/news/detail/News/erste-runde-der-blutabnahmen-erfolgreich-abgeschlossen/", "https://doi.org/10.1101/2021.03.29.21254343", "https://doi.org/10.3390/v13061118", "https://doi.org/10.3390/v14061168" ], "title": "Prospektive Covid 19 Kohorte Tirschenreuth (TiKoCo 19)", "scope_regionality": "Local/Regional", "region": "Bavaria", "location_raw": "Tirschenreuth", "organisation_raw": "Institut für klinische Mikrobiologie und Hygiene, 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"results_underreporting": 1.14 }, { "organisation": [ "Universitätsklinikum Regensburg", "Universitätsklinikum Erlangen", "Institut für klinische Mikrobiologie und Hygiene, Universitätsklinikum Regensburg", "Virologisches Institut, Universitätsklinikum Erlangen" ], "location": [ "Tirschenreuth" ], "analysis_test_manufacturer": [ "EUROIMMUN" ], "resource_url": [], "title": "Prospektive Covid 19 Kohorte Tirschenreuth (TiKoCo 19)", "scope_regionality": "Local/Regional", "region": "Bavaria", "location_raw": "Tirschenreuth", "organisation_raw": "Institut für klinische Mikrobiologie und Hygiene, Universitätsklinikum Regensburg und Virologisches Institut, Universitätsklinikum Erlangen", "information_url": "https://www.ukr.de/service/aktuelles/06346.php", "type": "Longitudinal/Prospectice cohort study", "subject_frame": "Household and Community Samples", "subject_information": "Residents of the rural district Tirschenreuth", "scope_population": "General population", "scope_age": "Multiple", "age_min": 14, "sample_design": "Random sampling (central registration-based)", "sample_analysis_unit": "Participants", "sample_size_obtained": 3374, "sample_size_rounded": 3400, "start_date": "2021-04-19", "end_date": "2021-04-30", "results_seroprevalence_information": "Seroprevalence of antibodies against the spike protein among residents of Tirschenreuth for the period of April 2021", "results_publication_url": "https://doi.org/10.3390/v14061168", "results_publication_date": "2022-05-27", "results_publication_type": "Peer-reviewed Publikation", "analysis_data_source": "whole blood", "analysis_target": "anti -S1 domain", "analysis_isotype": "IgG", "analysis_test": "ELISA ", "analysis_test_manufacturer_raw": "EUROIMMUN", "subject_vaccination": "Seroprevalence in all participants", "results_seroprevalence_adjustment": "Adjusted for test-specificity/test-sensitivity and population-weighted", "results_seroprevalence_positive": 0.4579, "results_seroprevalence_positive_95pct_lower": 0.4411, "results_seroprevalence_positive_95pct_upper": 0.4747, "record_modified": "2022-06-01", "results_underreporting": 1.14 }, { "organisation": [ "Universitätsmedizin Marburg", "Universitätsmedizin Marburg - Campus Fulda" ], "location": [ "Fulda" ], "analysis_test_manufacturer": [], "resource_url": [ "http://dx.doi.org/10.1055/a-1198-1243" ], "title": "Immunitätsstudie gegen SARS-CoV-2", "scope_regionality": "Local/Regional", "region": "Hesse", "location_raw": "Fulda", "organisation_raw": "Universitätsmedizin Marburg - Campus Fulda - Medizinische Klinik 4", "information_url": "https://www.klinikum-fulda.de/wp-content/uploads/2020/04/20200423-Pressemeldung-Antikörperstudie-1-0.pdf", "type": "Repeated cross-sectional", "subject_frame": "Other groups", "subject_information": "Employees of the hospital Fulda and employees of the retail segment in Fulda", "scope_population": "Selected population groups", "scope_age": "Adults", "age_min": 18, "sample_design": "Entire sample", 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"subject_frame": "Household and Community Samples", "subject_information": "Participants from the Socio-Economic Panel (SOEP) core sample and the SOEP innovation sample, who are taking part in the \"Living in Germany\" survey", "scope_population": "General population", "scope_age": "Adults", "age_min": 18, "sample_design": "Cohort-sample - Sampling from existing cohort study in the general population", "sample_analysis_unit": "Participants", "sample_size_obtained": 14781, "sample_size_rounded": 14800, "start_date": "2020-10-06", "end_date": "2020-12-15", "results_seroprevalence_information": "Seroprevalence of adult participants from the core and innovation samples of the Soco-Economic Panel (SOEP) for the period October - November 2020", "results_publication_url": "http://dx.doi.org/10.25646/8999; https://jech.bmj.com/content/early/2021/09/27/jech-2021-217653", "results_publication_date": "2021-06-09", "results_publication_type": "Institutional report", "analysis_data_source": 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"Seroprevalence of antibodies against the nucleocapsid among children and adolescents, who presented themselves during April 2021 at the department of pediatrics and adolescent medicine of the University Hospital Erlangen for non-COVID reasons", "results_publication_url": "https://doi.org/10.1515/cclm-2022-0037", "results_publication_date": "2022-02-25", "results_publication_type": "Peer-reviewed Publikation", "analysis_data_source": "blood plasma", "analysis_target": "anti Nucleocapsid", "analysis_isotype": "Total antibody", "analysis_test": "Elektrochemolumineszenz (ECL)-Immunassay; LIPS", "analysis_test_manufacturer_raw": "ROCHE N", "subject_vaccination": "Seroprevalence in all participants", "results_seroprevalence_positive": 0.0619, "record_created": "2022-03-15" }, { "organisation": [ "University of Erlangen-Nürnberg Medical School, Children and Youth Clinic", "University of Erlangen-Nürnberg Medical School", "Friedrich-Alexander-Universität Erlangen-Nürnberg " ], "location": [ "Erlangen" ], "analysis_test_manufacturer": [ "ROCHE N" ], "resource_url": [], "title": "Determination of SARS-CoV2 Antibody Prevalence in Pediatric Patients (SARS-CoV2_KIDS)", "scope_regionality": "Local/Regional", "region": "Bavaria", "location_raw": "Erlangen", "organisation_raw": "Children and Youth Clinic, University of Erlangen-Nürnberg Medical School", "registry_url": "https://clinicaltrials.gov/ct2/show/NCT04581148", "type": "Repeated cross-sectional", "subject_frame": "Persons seeking care for non-COVID reasons", "subject_information": "Inpatients and outpatients of the Children and Youth Clinic, University of Erlangen-Nürnberg Medical School", "scope_population": "Selected population groups", "scope_age": "Children/adolescents ≤18 years", "age_max": 17, "age_min": 0, "sample_design": "Entire sample", "sample_analysis_unit": "Participants", "sample_size_obtained": 946, "sample_size_rounded": 900, "start_date": "2021-06-15", "end_date": "2021-07-15", "results_seroprevalence_information": "Seroprevalence of antibodies against the nucleocapsid among children and adolescents, who presented themselves during the period of June to July 2021 at the department of pediatrics and adolescent medicine of the University Hospital Erlangen for non-COVID reasons", "results_publication_url": "https://doi.org/10.1515/cclm-2022-0037", "results_publication_date": "2022-02-25", "results_publication_type": "Peer-reviewed Publikation", "analysis_data_source": "blood plasma", "analysis_target": "anti Nucleocapsid", "analysis_isotype": "Total antibody", "analysis_test": "Elektrochemolumineszenz (ECL)-Immunassay; LIPS", "analysis_test_manufacturer_raw": "ROCHE N", "subject_vaccination": "Seroprevalence in all participants", "results_seroprevalence_positive": 0.0856, "record_created": "2022-03-15" }, { "organisation": [ "University of Erlangen-Nürnberg Medical School, Children and Youth Clinic", "University of Erlangen-Nürnberg Medical School", 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2626, "sample_size_rounded": 2600, "start_date": "2020-10-15", "end_date": "2021-07-15" }, { "organisation": [ "Johannes Gutenberg Universität Mainz" ], "location": [ "Rhine-Main area" ], "analysis_test_manufacturer": [ "ABBOTT N", "ROCHE" ], "resource_url": [ "https://doi.org/10.7754/clin.lab.2020.200915" ], "title": "Prevalence of Severe Acute Respiratory Syndrome Coronavirus-2-specific Antibodies in German Blood Donors during the COVID-19 Pandemic", "scope_regionality": "Local/Regional", "region": "Rhineland-Palatinate", "location_raw": "Rhineland-Palatinate and Rhine-Main area", "organisation_raw": "Universitätsmedizin der Johannes Gutenberg Universität Mainz, Transfusionszentrale", "type": "Repeated cross-sectional", "subject_frame": "Blood donors", "subject_information": "Blood donors from Rhineland-Palatinate and the Rhine-Main region", "scope_population": "General population", "scope_age": "Adults", "age_max": 71, "age_min": 18, "sample_design": "Blood donation", "sample_analysis_unit": "Participants", "sample_size_obtained": 3880, "sample_size_rounded": 3900, "start_date": "2020-03-15", "end_date": "2020-06-15", "results_seroprevalence_information": "Seroprevalence among blood donors from Rhineland-Palatinate and the Rhine-Main region for the period from March to June 2020", "results_publication_url": "https://doi.org/10.7754/clin.lab.2020.200915", "results_publication_date": "2020-10-01", "results_publication_type": "Peer-reviewed Publikation", "analysis_data_source": "whole blood", "analysis_target": "anti Nucleocapsid", "analysis_isotype": "IgG", "analysis_test": "Mehrere/andere", "analysis_test_manufacturer_raw": "ABBOTT N, ROCHE", "subject_vaccination": "Seroprevalence unvaccinated participants/ in participants before 2021", "results_seroprevalence_adjustment": "Adjusted for test-specificity/test-sensitivity", "results_seroprevalence_positive": 0.0039, "record_created": "2021-08-06", "record_modified": "2021-10-17" }, { "organisation": [ 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"https://www.drks.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00024143", "information_url": "https://news.rub.de/presseinformationen/wissenschaft/2020-10-13-covid-19-forschung-studie-zum-ansteckungsrisiko-von-studierenden-mit-sars-cov-2", "type": "Repeated cross-sectional", "subject_frame": "Students", "subject_information": "Students in living in student halls", "scope_population": "Selected population groups", "scope_age": "Adults", "age_max": 39, "age_min": 18, "sample_design": "Convenience sample", "sample_analysis_unit": "Participants", "sample_size_obtained": 810, "sample_size_rounded": 800, "start_date": "2020-11-02", "end_date": "2021-02-15" }, { "organisation": [ "Ludwig-Maximilians-Universität (LMU) München" ], "location": [ "Munich" ], "analysis_test_manufacturer": [], "resource_url": [ "https://doi.org/10.1093/cid/ciaa1935" ], "title": "Prospective Longitudinal Serosurvey of Health Care Workers in the First Wave of the SARS-CoV-2 Pandemic in a Quaternary 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"subject_information": "Employees and Employers of Dentistries in Berlin, Hamburg, Dresden, Stuttgart, and Cologne/Düsseldorf", "scope_population": "Selected population groups", "scope_age": "Adults", "sample_design": "Convenience sample", "sample_analysis_unit": "Medical practices with participants", "sample_size_obtained": 2784, "sample_size_rounded": 2800, "start_date": "2021-01-15", "end_date": "2021-04-15", "record_created": "2022-01-27", "record_modified": "2022-02-01" }, { "organisation": [ "Leibniz University Hannover" ], "location": [ "Hannover", "Göttingen" ], "analysis_test_manufacturer": [], "resource_url": [ "https://doi.org/10.1128/spectrum.01512-21" ], "title": "Combined Prospective Seroconversion and PCR Data of Selected Cohorts Indicate a High Rate of Subclinical SARS-CoV-2 Infections", "scope_regionality": "Local/Regional", "region": "Lower Saxony", "location_raw": "Hannover, Göttingen", "organisation_raw": "Institute for Technical Chemistry, Leibniz University 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"type": "Cross sectional", "subject_frame": "Household and Community Samples", "subject_information": "Children aged 1-10 years", "scope_population": "General population", "scope_age": "Children/adolescents ≤18 years", "age_max": 10, "age_min": 1, "sample_design": "Convenience sample", "sample_analysis_unit": "Participants", "sample_size_obtained": 2482, "sample_size_rounded": 2482, "start_date": "2020-04-22", "end_date": "2020-05-15", "results_seroprevalence_information": "Seroprevalence of children 1-10 years of age", "results_publication_url": "https://doi.org/10.1001/jamapediatrics.2021.0001", "results_publication_date": "2021-01-22", "results_publication_type": "Peer-reviewed Publikation", "analysis_data_source": "whole blood", "analysis_target": "multiple", "analysis_isotype": "IgG", "analysis_test": "Mehrere/andere", "analysis_test_manufacturer_raw": "EUROIMMUN, ROCHE, In-house", "subject_vaccination": "Seroprevalence unvaccinated participants/ in participants before 2021", 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"https://doi.org/10.1101/2021.07.20.21260863" ], "title": "Prevalence of COVID-19 in children in Baden-Württemberg", "scope_regionality": "Local/Regional", "region": "Baden-Wuerttemberg", "location_raw": "Heidelberg, Ulm, Freiburg, Tübingen", "organisation_raw": "Zentrum für Infektionskrankheiten und Zentrum für Kinder- und Jugendmedizin, Universitätsklinikum Heidelberg; Centrum für Chronische Immundefizienz im Zentrum für Translationale Zellforschung, Universitätsklinikum Freiburg; Klinik für Kinder- und Jugendmedizin, Universitätsklinikum Ulm; Klinik für Kinder- und Jugendmedizin, Universitätsklinikum Tübingen", "registry_url": "https://www.drks.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00021521", "type": "Longitudinal/Prospectice cohort study", "subject_frame": "Household and Community Samples", "subject_information": "Households with at least one adult and one child <18 years of age in which at least one member was confirmed to be infected by SRAS-CoV-2", "scope_population": "Selected population groups", "scope_age": "Multiple", "sample_design": "Convenience sample", "sample_analysis_unit": "Households with participants", "sample_size_obtained": 328, "sample_size_rounded": 300, "start_date": "2020-05-15", "end_date": "2020-05-15", "analysis_test_manufacturer_raw": "Euroimmun; Roche Elecsys' Mikrogen in-house" } ]