Not applicableStudy completedNCT04503447What this trial is testingCOVID-19 Seroprevalence Study in ITM StaffWho this might be right forCovid19 Institute of Tropical Medicine, Belgium 330
Not applicableStudy completedNCT04655612What this trial is testingSeroprevalence Study of CoV-2-SARS (COVID-19) Infection in Patients With Chronic Inflammatory Rheumatic DiseasesWho this might be right forCOVID-19SARS-CoV InfectionRheumatoid Arthritis+3 more University Hospital, Montpellier 5,000
Not applicableActive Not RecruitingNCT04939402What this trial is testingSARS-COV-2 Seroprevalence and Seroconversion Among Employees of the UZ Brussel Following COVID-19 Vaccination Using an Adenoviral VectorWho this might be right forSARS-CoV-2Covid19 Universitair Ziekenhuis Brussel 200
Not applicableStudy completedNCT04406038What this trial is testingStudy of the Spread of COVID-19 in Saint Petersburg, RussiaWho this might be right forCOVID19 European University at St. Petersburg 1,038
Not applicableStudy completedNCT04404270What this trial is testingStudy of SARS-CoV2 Virus (COVID-19) Seroprevalence in the Population of Creil Air Force Base (BA110)Who this might be right forSars-CoV2 Direction Centrale du Service de Santé des Armées 1,146
Not applicableStudy completedNCT04516512What this trial is testingAssessment of SARS-CoV-2 Seroprevalence in DetentionWho this might be right forCOVID-19 Assistance Publique - Hôpitaux de Paris 1,044
Not applicableStudy completedNCT04514016What this trial is testingCross Sectional CFAR HIV/COVID-19 StudyWho this might be right forSARS-CoV InfectionCovid19 University of Miami 64
Not applicableStudy completedNCT04472078What this trial is testingSeroprevalence of Coronavirus Disease 2019 (COVID-19) Antibodies in a Vulnerable Neighbourhood, Buenos Aries ArgentinaWho this might be right forSARS-CoV-2 Hospital Italiano de Buenos Aires 873
Not applicableStudy completedNCT04347408What this trial is testingSeroprevalence of SARS-Cov-2 Antibodies in ChildrenWho this might be right forCOVIDCorona Virus InfectionMultisystem Inflammatory Syndrome in Children Queen's University, Belfast 1,100
Not applicableStudy completedNCT04373889What this trial is testingCOVID-19 Among Healthcare Workers in Belgian HospitalsWho this might be right forSARS-CoV-2COVID-19 Sciensano 850
Not applicableStudy completedNCT04448717What this trial is testingCOVID-19: Longitudinal Study of Seroprevalence of SARS-CoV-2 Antibodies and Development of Immunity in School ChildrenWho this might be right forSARS-CoV 2COVID-19 University of Zurich 4,250
Not applicableUnknownNCT05153044What this trial is testingSevere Acute Respiratory Syndrome CoV 2 COVID-19 Survey and Vaccination Coverage in the Sickle Cell Population in Ile-De-FranceWho this might be right forSickle Cell Disease Assistance Publique - Hôpitaux de Paris 880
Not applicableStudy completedNCT04480580What this trial is testingSeroprevalence of SARS-Cov-2 in the Setting of a Non-dedicated COVID-19 Hospital in a Low CoV-2 Incidence Area: Implications for SurgeryWho this might be right forCovid19SurgerySARS (Severe Acute Respiratory Syndrome) University of Cagliari 100
Not applicableStudy completedNCT04470648What this trial is testingCOVID-19 Infection at Samusocial in Paris: Descriptive and Serological SurveyWho this might be right forSARS-COV2 Infection Institut National de la Santé Et de la Recherche Médicale, France 179
Not applicableStudy completedNCT04643444What this trial is testingPolice COVID-19 SerosurveyWho this might be right forSARS-CoV-2 InfectionVolunteersHealthy University of Bern 1,024
Not applicableStudy completedNCT04738695What this trial is testingSARS-CoV-2 Seroprevalence Among Nursing Home Staff and Residents (COVID-19)Who this might be right forCovid19SARS-CoV-2 Infection Sciensano 3,008
Not applicableStudy completedNCT04354779What this trial is testingAntibody Seroprevalence and Rate of Asymptomatic Infections With SARS-CoV-2 in Austrian Hospital Personnel.Who this might be right forSevere Acute Respiratory Syndrome Coronavirus 2SARS-CoV 2Coronavirus Infection+1 more AUVA 3,301
Not applicableStudy completedNCT05607147What this trial is testingRutgers Pilot for Dental Health Care Worker SARS-CoV-2 TestingWho this might be right forSARS-CoV2 Infection Rutgers, The State University of New Jersey 10
Not applicableStudy completedNCT04839913What this trial is testingSeroprevalence of SARS-CoV-2 in Unselected Surgical Patients: an Unicentric, Regional StudyWho this might be right forSARS-CoV InfectionSeroprevalenceCovid19 University of Cagliari 121
Not applicableLooking for participantsNCT04367857What this trial is testingARMOR Study: COVID-19 Seroprevalence Among Healthcare WorkersWho this might be right forCovid-19Coronavirus InfectionCoronavirus Columbia University 1,000