COVID-19 is an emerging, rapidly evolving situation.
Get the latest public health information from CDC:

Get the latest research information from NIH: Menu
Open or close the search fields display
50915 Studies found for: Recruiting Studies
Applied Filters:

A similar map is available for all studies in

Click on the map below to show a more detailed map (when available) or search for studies (when map not available).

Map Legend
Region Name Number of Studies
World [map] 50,915
North America 22,265
United States 19,818 [studies]
Alabama 1,040 [studies]
Alaska 158 [studies]
Arizona 1,418 [studies]
Arkansas 550 [studies]
California 4,694 [studies]
Colorado 1,612 [studies]
Connecticut 1,104 [studies]
Delaware 289 [studies]
District of Columbia 783 [studies]
Florida 2,933 [studies]
Georgia 1,695 [studies]
Hawaii 195 [studies]
Idaho 338 [studies]
Illinois 2,312 [studies]
Indiana 1,105 [studies]
Iowa 665 [studies]
Kansas 769 [studies]
Kentucky 904 [studies]
Louisiana 834 [studies]
Maine 235 [studies]
Maryland 2,594 [studies]
Massachusetts 2,667 [studies]
Michigan 1,828 [studies]
Minnesota 1,832 [studies]
Mississippi 369 [studies]
Missouri 1,685 [studies]
Montana 248 [studies]
Nebraska 612 [studies]
Nevada 525 [studies]
New Hampshire 307 [studies]
New Jersey 1,431 [studies]
New Mexico 356 [studies]
New York 4,060 [studies]
North Carolina 2,117 [studies]
North Dakota 201 [studies]
Ohio 2,640 [studies]
Oklahoma 716 [studies]
Oregon 1,073 [studies]
Pennsylvania 2,847 [studies]
Rhode Island 378 [studies]
South Carolina 1,007 [studies]
South Dakota 295 [studies]
Tennessee 1,716 [studies]
Texas 3,852 [studies]
Utah 992 [studies]
Vermont 210 [studies]
Virginia 1,275 [studies]
Washington 1,572 [studies]
West Virginia 295 [studies]
Wisconsin 992 [studies]
Wyoming 95 [studies]

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.