Find a Clinical Trial

See the list of featured NIAID clinical trials below or view the complete list of NIAID studies recruiting participants on ClinicalTrials.gov.

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Coronaviruses
HIV and Emerging Infectious Diseases
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Coronaviruses

Cardiopulmonary Inflammation and Multi-System Imaging During COVID-19 Infection in Asymptomatic and Symptomatic Persons

A study to learn how coronavirus affects different organs of the body and the function of the body's immune system.

Drug Treatment Study of Individuals With Mild COVID-19

This NIAID research study focuses on an experimental drug which may help treat COVID-19 by supporting the immune system.

Longitudinal Observations of Vaccine Responses to SARS-CoV-2 and other Emerging Infectious Diseases (COVAC)

We are seeking participants who are scheduled to receive a new vaccine or a booster vaccine against SARS-COV-2 or another emerging infection. The NIH does not provide the vaccine.  

Study of How COVID-19 Affects Blood Cells and the Immune System

A study about how SARS-CoV-2, the virus that causes COVID-19, affects the body, specifically how it affects blood cells and the immune system.

Study of Long-Term Medical Problems and Long-Term Immunity After COVID-19 Recovery

A study about long-term medical problems experienced by people who recover from COVID-19 and whether people who recover develop long-term immunity to SARS-CoV-2, the virus that causes COVID-19.