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COVID-19 natural immunity

Showing 1 - 25 of >10,000
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Systemic and Nasal Mucosal Immunity to Influenza and SARS-CoV-2

Recruiting
  • Influenza
  • COVID-19
    • Bethesda, Maryland
      National Institutes of Health Clinical Center
    Dec 13, 2022

    Acute Infection in Mitochondrial Disease: Metabolism, Infection

    Recruiting
    • Mitochondrial Disease
      • Bethesda, Maryland
        National Institutes of Health Clinical Center
      Aug 20, 2022

      Understanding COVID-19 Vaccine Immunity in Tissue and Blood

      Recruiting
      • COVID-19 (Coronavirus Disease 2019)
      • No intervention
      • Palo Alto, California
        Stanford University
      Jan 10, 2023

      Community-based Sero-epidemiological Study of COVID-19

      Active, not recruiting
      • COVID-19
      • mRNA BNT162b2 vaccine
      • CoronaVac vaccine
      • Hong Kong, Hong Kong
        The University of Hong Kong
      Oct 28, 2022

      COVID-19 Trial (Freeze-dried Mare Milk (Saumal))

      Not yet recruiting
      • COVID-19
      • Freeze-dried Mare Milk (Saumal)
      • (no location specified)
      Jul 31, 2023

      Covid19, Immunodeficiency Trial in Mecca (Omega 3/Nigella Sativa Oil, Omega 3/Nigella Sativa Oil/Indian Costus, Omega 3/Nigella

      Completed
      • Covid19
      • Immunodeficiency
      • Omega 3/Nigella Sativa Oil
      • +5 more
      • Mecca, Makkah, Saudi Arabia
        Maternity and Children hospital
      Jul 18, 2022

      Microecology and Host Immunity in Severe COVID-19 Infection

      Recruiting
      • Microbiome,Immune Function, Critically Ill
        • Beijing, Beijign, China
          PLA
        Jan 2, 2023

        SARS CoV 2 Infection, COVID-19 Trial in Brussels (Humoral immunity)

        Enrolling by invitation
        • SARS CoV 2 Infection
        • COVID-19
        • Humoral immunity
        • Brussels, Belgium
          Sciensano
        Jan 16, 2023

        Sustained Immunity to COVID-19 as Measured by SARS-CoV-2

        Recruiting
        • Covid19
        • Serologic immunoassays to SARS-CoV-2 antibodies
        • Detroit, Michigan
          Henry Ford Health System
        Dec 13, 2022

        Trained Immunity in COVID-19 Vaccinated Individuals

        Recruiting
        • Zoster Varicella
        • Vaccination; Infection
        • recombinant adjuvanted zoster vaccine
        • Wuerzburg, Bavaria, Germany
          University Hospital Wuerzburg
        Jan 26, 2023

        HLA Genes and Innate Immunity in Phenotypic Variability of

        Completed
        • COVID-19
        • HLA-genotyping
        • Roma, Rm, Italy
          Francesco Danilo Tiziano
        Feb 6, 2023

        Covid 19 Infection Trial in Cairo (Respiratory Training, Aerobic training)

        Completed
        • Covid 19 Infection
        • Respiratory Training
        • Aerobic training
        • Cairo, Egypt
          Police hospital-Nasr city
        Dec 24, 2022

        COVID-19 Respiratory Infection Trial in Tashkent (Rutan 25 mg, Control group)

        Completed
        • COVID-19 Respiratory Infection
        • Rutan 25 mg
        • Control group
        • Tashkent, Uzbekistan
          Tashkent Institute of Virology
        May 16, 2023

        Antibodies and Immunity After Vaccination of Recovered COVID-19

        Active, not recruiting
        • Long COVID-19
          • Bangkok Noi, Bangkok, Thailand
            Faculty of Medicine Siriraj Hospital, Mahidol University
          Aug 3, 2022

          COVID-19, Probiotic Trial in Hong Kong (Microbiome immunity formula, Active )

          Recruiting
          • COVID-19
          • Probiotic
          • Microbiome immunity formula
          • Active placebo
          • Hong Kong, Hong Kong
            Prince of Wales Hospital
          Feb 13, 2022

          Its Impact on Immunity Status in COVID-19 Vaccinated Cohorts

          Active, not recruiting
          • COVID-19 Vaccination
          • Gut Microbiota
            • Hong Kong, Hong Kong
              Prince of Wales Hospital
            Feb 13, 2022

            COVID Booster in Pregnancy and Lactation

            Recruiting
            • COVID-19
            • Bivalent COVID-19 Booster
            • Philadelphia, Pennsylvania
              Thomas Jefferson University Hospital
            Sep 14, 2022

            Humoral Immunity Trial in Gomel (Protein subunit vaccine Soberana Plus (FINLAY-FR-1A) is a vaccine against COVID-19 produced by

            Enrolling by invitation
            • Humoral Immunity
            • Protein subunit vaccine Soberana Plus (FINLAY-FR-1A) is a vaccine against COVID-19 produced by The Finlay Vaccine Institute and The Centre of Molecular Immunology (Republic of Cuba)
            • Gomel, Belarus
              Gomel State Medical University
            Jan 30, 2023

            COVID-19 Trial in Australia (diphtheria and tetanus toxoids (adsorbed) vaccine, COVID-19 vaccine)

            Not yet recruiting
            • COVID-19
            • diphtheria and tetanus toxoids (adsorbed) vaccine
            • COVID-19 vaccine
            • Blacktown, New South Wales, Australia
            • +4 more
            Nov 20, 2022

            Immunity Against COVID-19 Vaccine in Healthcare Workers in

            Active, not recruiting
            • Coronavirus 2019
            • +2 more
            • Immunoglobulin G detection
            • Buenos Aires, Caba, Argentina
              Hospital Italiano de Buenos Aires
            Aug 1, 2022

            COVID-19 Immunity and Changes Over Time

            Recruiting
            • COVID-19
              • Hong Kong, Hong Kong, China
                Shui Shan Lee
              Jul 19, 2022

              Evaluation of Humoral Immunity Following COVID-19 in Pregnancy

              Active, not recruiting
              • COVID-19
              • +2 more
              • Blood sample
              • London, United Kingdom
              • +1 more
              Aug 8, 2022

              Understanding Immunity to the COVID-19 Vaccines

              Completed
              • COVID-19
              • +2 more
              • No intervention
              • Stanford, California
                Stanford University, Hospital, and Clinics
              Feb 9, 2022

              Study on Immune Status of Patients With COVID-19

              Recruiting
              • COVID-19
              • +2 more
              • hospitalized patient
              • Jinan, Shandong, China
                Qilu Hospital of Shandong University
              Jan 10, 2023

              COVID Vaccine Immunity in Kidney Transplant Recipients

              Withdrawn
              • End Stage Renal Disease
              • Kidney Transplant; Complications
              • Coronavirus (COVID-19) SARS-CoV-2 inSIGHT™ T Cell Immunity Test
              • (no location specified)
              Oct 25, 2022