Search clinical trials for: Exposure: Negative COVID-19 infection
Total 1656 results
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University College, LondonPublic Health EnglandCompletedCoronavirus Infection | Covid-19 | SARS-CoV 2 | Coronavirus | Nosocomial InfectionUnited Kingdom
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CNBG-Virogin Biotech (Shanghai) Ltd.Shulan (Hangzhou) HospitalRecruitingSARS-CoV-2 InfectionChina
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Jens D Lundgren, MDMinistry of the Interior and Health, DenmarkCompletedSARS-CoV InfectionDenmark
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Alberto PeanoRecruiting
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National Jewish HealthRecruiting
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University of British ColumbiaCenters for Disease Control and PreventionRecruiting
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Cairo UniversityRecruitingCOVID-19 | Rheumatic Diseases | Vaccination; InfectionEgypt
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Beijing 302 HospitalPeople's Hospital of Hunyuan County, Shanxi ProvinceRecruitingOlder Adults | COVID-19 VaccineChina
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National Center for Disease control and Public...World Health OrganizationRecruiting
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Columbia UniversityRecruitingCoronavirus Infection | Covid-19 | CoronavirusUnited States
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Ansun Biopharma, Inc.RecruitingCOVID-19 | Lower Respiratory Tract Infection | Immunocompromised | ParainfluenzaUnited States, Australia, China, Denmark, France, Hong Kong, Korea, Republic of, Taiwan
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University of New MexicoNational Institutes of Health (NIH); National Institute of General Medical...CompletedCovid19United States
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PfizerWithdrawnCOVID-19 | Influenza | Coronavirus Disease 2019
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University of TorontoCompletedCovid19Canada, India, Thailand
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Rutgers, The State University of New JerseyUniversity of Alabama at Birmingham; University of Illinois at Chicago; National... and other collaboratorsCompletedCOVID-19 InfectionUnited States
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AccessBio, Inc.TerminatedCOVID-19United States
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Seoul National University HospitalCompletedCancer | Covid19Korea, Republic of
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International Centre for Diarrhoeal Disease Research...Columbia UniversityCompletedSchool AbsenteeismBangladesh
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Universiteit AntwerpenVrije Universiteit Brussel; Université Libre de Bruxelles; SciensanoActive, not recruiting
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University of North Carolina, Chapel HillEnvironmental Protection Agency (EPA)Completed
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Fundación GECPCompleted
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Hôpital Européen MarseilleActive, not recruiting
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Universidad Nacional de ColombiaEnrolling by invitationCovid19 | SARS-CoV2 InfectionColombia
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Molecular Partners AGTerminated
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Rabin Medical CenterShaare Zedek Medical Center; Soroka University Medical Center; Emek Medical CenterActive, not recruiting
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Selcuk UniversityCompleted
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Ain Shams UniversityRecruiting
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Universidad de GranadaChair in Conscience and Development (UGR); Mind, Brain and Behaviour Research...CompletedAnxiety | Psychological Distress | Perfectionism | Attention | Empathy | Creativity | Life Stress | Emotional IntelligenceSpain
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China National Biotec Group Company LimitedThe University of Hong Kong; Beijing Institute of Biological Products Co Ltd.; Wuhan Institute of Biological Products Co., LtdActive, not recruiting
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Paul R FortinCanadian Institutes of Health Research (CIHR)RecruitingRheumatoid Arthritis | Systemic Lupus Erythematosus | Systemic Sclerosis | Systemic Vasculitis | Immunosuppression | Scleroderma | Autoimmune Rheumatologic Disease | Undifferentiated Connective Tissue Diseases | Overlap Connective Tissue DiseaseCanada
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Sociedad Argentina de ReumatologiaRecruiting
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Institute of Public Health, AlbaniaCenters for Disease Control and Prevention; World Health Organization; EPICON... and other collaboratorsRecruiting
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PregistryRecruiting
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ASH Research CollaborativeUniversity of Pennsylvania; American Society of HematologyCompleted
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Persephone BiosciencesTerminatedVaccine Adverse Reaction | Vaccine Response ImpairedUnited States
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University of AarhusCompleted
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The University of Texas Health Science Center at...Completed
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University of Kansas Medical CenterActive, not recruitingBreast Cancer | Lung Cancer | Melanoma (Skin)United States
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Groupe Hospitalier Paris Saint JosephCompleted
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Qurient Co., Ltd.TerminatedCOVID-19 Virus InfectionSouth Africa
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Arion BioCSSi Life SciencesCompleted
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Arion BioCSSi Life SciencesCompleted
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National University Hospital, SingaporeAgency for Science, Technology and Research; National University of SingaporeUnknownCovid19 | Breastfeeding | Vaccine Exposure Via Breast MilkSingapore
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Masaryk UniversityUniversity of Kiel; University of Giessen; F.D. Roosevelt Teaching Hospital with... and other collaboratorsUnknownCovid19 | Vaccine Adverse Reaction | Oral ManifestationsCzechia, Germany, Slovakia
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Saglik Bilimleri Universitesi Gazi Yasargil Training...Completed
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Assiut UniversityUnknown
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Indonesia-MoHNational Institute of Health Research and Development, Ministry of Health... and other collaboratorsUnknown