A Study of SARS CoV-2 Infection and Potential Transmission in Individuals Immunized With Moderna COVID-19 Vaccine
Public ClinicalTrials.gov record NCT04811664. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized Controlled Study to Assess SARS CoV-2 Infection, Viral Shedding, and Subsequent Potential Transmission in Individuals Immunized With Moderna COVID-19 Vaccine
Study identification
- NCT ID
- NCT04811664
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Enrollment
- 1,923 participants
Conditions and interventions
Conditions
Interventions
- Moderna COVID-19 Vaccine Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 29 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 23, 2021
- Primary completion
- Dec 29, 2021
- Completion
- Dec 29, 2021
- Last update posted
- Aug 1, 2023
2021
United States locations
- U.S. sites
- 51
- U.S. states
- 27
- U.S. cities
- 48
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Alabama CRS | Birmingham | Alabama | 35222 | — |
| Headlands Research Scottsdale | Scottsdale | Arizona | 85260 | — |
| AMR Phoenix | Tempe | Arizona | 85281 | — |
| University of Arizona | Tucson | Arizona | 85724 | — |
| Charles Drew University | Los Angeles | California | 90059 | — |
| UC Davis | Sacramento | California | 95817 | — |
| University of California, San Diego | San Diego | California | 92103 | — |
| University of Colorado- Boulder | Boulder | Colorado | 80301 | — |
| JEM Headlands LLC | Atlantis | Florida | 33462 | — |
| University of Florida | Gainesville | Florida | 32610 | — |
| UF CARES | Jacksonville | Florida | 32209 | — |
| Orlando Immunology Center CRS | Orlando | Florida | 32803 | — |
| Headlands Research Sarasota | Sarasota | Florida | 34243 | — |
| University of South Florida | Tampa | Florida | 33612 | — |
| Morehouse University | Atlanta | Georgia | 30310 | — |
| The Hope Clinic of the Emory Vaccine Center CRS | Decatur | Georgia | 30030 | — |
| Champaign-Urbana Public Health District | Champaign | Illinois | 61820 | — |
| Rush University CRS | Chicago | Illinois | 60612 | — |
| Northwestern University | Evanston | Illinois | 60208 | — |
| Indiana University | Bloomington | Indiana | 47405-7000 | — |
| Univ, of Kansas School of Medicine CRS | Wichita | Kansas | 67214 | — |
| University of Kentucky | Lexington | Kentucky | 40536 | — |
| Centex Studies, Inc. - Lake Charles | Lake Charles | Louisiana | 70601 | — |
| University of Maryland College Park | College Park | Maryland | 20742-2611 | — |
| Fenway Health (FH) CRS | Boston | Massachusetts | 02215-4302 | — |
| Wayne State - Harper Hospital | Detroit | Michigan | 48201 | — |
| University of Minnesota | Minneapolis | Minnesota | 55455 | — |
| Columbia - Missouri VTEU | Columbia | Missouri | 65201 | — |
| Washington University Therapeutics CRS | St Louis | Missouri | 63110 | — |
| University of Nebraska | Omaha | Nebraska | 68105 | — |
| AMR Las Vegas | Las Vegas | Nevada | 89119 | — |
| University of New Mexico | Albuquerque | New Mexico | 87131 | — |
| NYU Long Island Vaccine Center | Mineola | New York | 11501 | — |
| NYU Bellevue Vaccine Center | New York | New York | 10016 | — |
| Harlem Prevention Center CRS | New York | New York | 10027 | — |
| New York Blood Center CRS | New York | New York | 10065 | — |
| Stony Brook University | Stony Brook | New York | 11794 | — |
| Bronx Prevention Research Center CRS | The Bronx | New York | 10451 | — |
| University of North Carolina | Chapel Hill | North Carolina | 27599 | — |
| Wake Forest University | Winston-Salem | North Carolina | 27157 | — |
| The Miriam Hopsital CRS | Providence | Rhode Island | 02904 | — |
| Clemson University | Clemson | South Carolina | 29634 | — |
| Vanderbilt Vaccine CRS | Nashville | Tennessee | 37232 | — |
| Texas Tech | Amarillo | Texas | 79106 | — |
| Centex Studies, Inc. - Brownsville | Brownsville | Texas | 78526 | — |
| Texas A&M University | College Station | Texas | 77843 | — |
| Centex Studies, Inc. - Houston | Houston | Texas | 77058 | — |
| Centex Studies, Inc. - Westfield | Houston | Texas | 77090 | — |
| Texas A&M - Kingsville | Kingsville | Texas | 77843 | — |
| University of Virginia | Charlottesville | Virginia | 22908 | — |
| University of Washington | Seattle | Washington | 98109 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04811664, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 1, 2023 · Synced Jul 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04811664 live on ClinicalTrials.gov.