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COVID vaccination

Showing 1 - 25 of >10,000
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Survey of Symptoms After a COVID Vaccination in Employees

Completed
  • Symptoms Recoding SARS-CoV-2 After Vaccination
  • questionnaire
  • Graz, Styria, Austria
    Medical University of Graz
Sep 6, 2023

Adolescents Seeking COVID Vaccination (Teen COVID Vax)

Recruiting
  • Ease Of Access To Covid Vaccine
    • Bethesda, Maryland
      National Institutes of Health Clinical Center
    Sep 16, 2022

    COVID-19 Post-Vaccination Observation

    Active, not recruiting
    • Immune System Diseases
    • +2 more
      • Chongqing, Chongqing, China
        Residential Address
      Oct 26, 2023

      Sickle Cell Disease, COVID-19 Vaccine, Vaccine Hesitancy Trial in Durham (SCD-specific COVID-19 vaccination information (SCVI)

      Not yet recruiting
      • Sickle Cell Disease
      • +2 more
      • SCD-specific COVID-19 vaccination information (SCVI) video
      • Durham, North Carolina
        Duke Adult Sickle Cell Program
      Aug 17, 2023

      Vaccination Hesitancy, COVID-19 Trial in London (Behavioural science-informed text messages, Control)

      Completed
      • Vaccination Hesitancy
      • COVID-19
      • Behavioural science-informed text messages
      • Control
      • London, United Kingdom
        NHS England
      Aug 11, 2023

      Acceptance of Anti-COVID-19 Vaccine Offer Among Pregnant Women

      Completed
      • Pregnant Women
      • +2 more
      • Anti Covid 19 vaccination campaign for pregnat women
      • Roma, Italy
        Fondazione Policlinico Universitario Agostino Gemelli IRCCS
      Feb 15, 2023

      COVID-19 Vaccination Trial in Bronx, Brooklyn, New York (Community Health Worker Intervention to Enhance Vaccination Behavior

      Recruiting
      • COVID-19 Vaccination
      • Community Health Worker Intervention to Enhance Vaccination Behavior (CHW-VB)
      • Bronx, New York
      • +3 more
      Nov 29, 2023

      Misinformation, Vaccine Hesitancy, Anxiety Trial (Attitudinal inoculation, Cognitive-behavioral therapy-informed intervention,

      Not yet recruiting
      • Misinformation
      • +4 more
      • Attitudinal inoculation
      • +2 more
      • (no location specified)
      Nov 9, 2023

      COVID-19 Stress Syndrome, COVID-19 Vaccine Adverse Reaction, COVID-19-Associated Thromboembolism Trial in Chongqing

      Active, not recruiting
      • COVID-19 Stress Syndrome
      • +5 more
      • Atorvastatin Calcium Tablets
      • Chongqing, Chongqing, China
        Residential Address
      May 1, 2023

      COVID-19, Vaccine Trial in Baltimore (REDES, Control)

      Recruiting
      • COVID-19
      • Vaccine
      • REDES
      • Control
      • Baltimore, Maryland
        Johns Hopkins University
      Nov 10, 2023

      COVID-19 Trial in Philadelphia (COVID Booster text messages)

      Enrolling by invitation
      • COVID-19
      • COVID Booster text messages
      • Philadelphia, Pennsylvania
        University of Pennsylvania
      Jan 3, 2023

      Vaccine Refusal, COVID-19 Trial (Informational Video, Altruistic Video, Individualistic Video)

      Not yet recruiting
      • Vaccine Refusal
      • COVID-19
      • Informational Video
      • +2 more
      • (no location specified)
      Apr 12, 2023

      Vaccination; Infection, COVID-19 Trial (Comirnaty)

      Not yet recruiting
      • Vaccination; Infection
      • COVID-19
      • Comirnaty
      • (no location specified)
      Aug 4, 2023

      COVID-19 Trial (Recombinant COVID-19 Bivalent (XBB+Prototype) Protein Vaccine (Sf9 Cell) (WSK-V101C), Recombinant COVID-19

      Not yet recruiting
      • COVID-19
      • Recombinant COVID-19 Bivalent (XBB+Prototype) Protein Vaccine (Sf9 Cell) (WSK-V101C)
      • Recombinant COVID-19 vaccine(Sf9 Cell) (WSK-V101)
      • (no location specified)
      Jun 19, 2023

      Vaccination Against COVID-19 in Pregnant and Lactating Belgium

      Active, not recruiting
      • Covid19
      • COVID-19 vaccine
      • Antwerp, Belgium
        Centre for the Evaluation of Vaccination
      Nov 15, 2022

      Intradermal Covid-19 Vaccine, Immungenicity and Safety, Immunocompromised Patients Trial in Hong Kong (ID BNT162b2 vaccine, IM

      Recruiting
      • Intradermal Covid-19 Vaccine
      • +3 more
      • ID BNT162b2 vaccine
      • IM BNT162b2 vaccine
      • Hong Kong, Hong Kong
        Queen Mary Hospital
      Feb 19, 2023

      COVID-19 Trial (High dose of Recombinant COVID-19 Trivalent (XBB+BA.5+Delta) Protein Vaccine (Sf9 Cell), Low dose of Recombinant

      Not yet recruiting
      • COVID-19
      • High dose of Recombinant COVID-19 Trivalent (XBB+BA.5+Delta) Protein Vaccine (Sf9 Cell)
      • +3 more
      • (no location specified)
      Jun 19, 2023

      COVID-19 Vaccines Trial in Rio de janeiro

      Recruiting
      • COVID-19 Vaccines
        • Rio de janeiro, Brazil
          Instituto de Tecnologia em Imunobiológicos Bio-Manguinhos/Fiocru
        Nov 17, 2022

        CORONAVIRUS INFECTIONS Trial (anti-SARS-Cov-2 vaccination)

        Not yet recruiting
        • CORONAVIRUS INFECTIONS
        • anti-SARS-Cov-2 vaccination
        • (no location specified)
        Dec 15, 2022

        COVID-19, Influenza Trial in Potsdam (Fact box)

        Not yet recruiting
        • COVID-19
        • Influenza
        • Fact box
        • Potsdam, Brandenburg, Germany
          Harding Center for Risk Literacy, Faculty of Health Sciences Bra
        Oct 10, 2023

        COVID-19 Vaccination and Prevalence of COVID-19 in Chronic Liver

        Not yet recruiting
        • Chronic or Recovered Hepatitis B
        • +4 more
          • Bethesda, Maryland
            National Institutes of Health Clinical Center
          Feb 2, 2023

          Liver Injury After COVID-19 Vaccination

          Not yet recruiting
          • Subjects After COVID-19 Vaccination
          • Approved COVID-19 vaccine
          • Hong Kong, Hong Kong
          • +1 more
          Jul 25, 2022

          COVID-19 Vaccination AZV 2021-2023

          Recruiting
          • COVID-19
          • +3 more
          • Vaccionation eighter started or full course
          • Hradec Kralove, Czechia
            University Hospital Hradec Kralove
          Oct 21, 2022

          Anti COVID-19 Vaccination Campaign Addressed to Employees

          Completed
          • COVID-19
          • BNT162b2 COVID-19 Vaccine
          • Roma, RM, Italy
            Fondazione Policlinico Universitario "A. Gemelli" IRCCS
          Mar 15, 2023

          COVID-19 Trial in Johannesburg (AAHI-SC2 Vaccine, AAHI-SC3 Vaccine, EUA or approved vaccine)

          Recruiting
          • COVID-19
          • AAHI-SC2 Vaccine
          • +2 more
          • Johannesburg, South Africa
            Wits Vida
          Jan 4, 2023