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Viral Infections clinical trials recruiting in the U.S.

31 studies for Viral Infections are recruiting participants at sites across the United States.

Viruses cause familiar infections such as the common cold, but they also cause severe illnesses. Learn more about viral infections and their symptoms.

Cities with the most studies

• Washington, DC12 studies
• Houston, TX6 studies
• Boston, MA6 studies
• Baltimore, MD5 studies
• Hialeah, FL5 studies
• Dallas, TX4 studies
• Atlanta, GA4 studies
• Columbus, OH4 studies
• Cincinnati, OH4 studies
• Salt Lake City, UT3 studies
• Omaha, NE3 studies
• Los Angeles, CA3 studies
• Tampa, FL3 studies
• Boise, ID3 studies
• Miami, FL3 studies
• St. Louis, MO3 studies
• Durham, NC3 studies
• San Francisco, CA3 studies
• New York City, NY3 studies

By state

• Alabama3 studies
• California11 studies
• Colorado3 studies
• District of Columbia5 studies
• Florida6 studies
• Georgia5 studies
• Idaho3 studies
• Illinois3 studies
• Kentucky3 studies
• Louisiana3 studies
• Maryland14 studies
• Massachusetts6 studies
• Michigan3 studies
• Missouri4 studies
• Nebraska3 studies
• New York6 studies
• North Carolina5 studies
• Ohio9 studies
• Pennsylvania4 studies
• South Carolina3 studies
• Texas9 studies
• Utah4 studies
• Virginia4 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.