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
8103 Studies found for: section

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] 8,103
North America 3,160
United States 2,746 [studies]
Alabama 282 [studies]
Alaska 16 [studies]
Arizona 326 [studies]
Arkansas 144 [studies]
California 825 [studies]
Colorado 330 [studies]
Connecticut 243 [studies]
Delaware 55 [studies]
District of Columbia 146 [studies]
Florida 598 [studies]
Georgia 406 [studies]
Hawaii 48 [studies]
Idaho 76 [studies]
Illinois 530 [studies]
Indiana 293 [studies]
Iowa 164 [studies]
Kansas 197 [studies]
Kentucky 188 [studies]
Louisiana 227 [studies]
Maine 53 [studies]
Maryland 402 [studies]
Massachusetts 496 [studies]
Michigan 374 [studies]
Minnesota 338 [studies]
Mississippi 80 [studies]
Missouri 413 [studies]
Montana 64 [studies]
Nebraska 157 [studies]
Nevada 131 [studies]
New Hampshire 98 [studies]
New Jersey 306 [studies]
New Mexico 105 [studies]
New York 713 [studies]
North Carolina 529 [studies]
North Dakota 60 [studies]
Ohio 542 [studies]
Oklahoma 200 [studies]
Oregon 254 [studies]
Pennsylvania 602 [studies]
Rhode Island 97 [studies]
South Carolina 268 [studies]
South Dakota 71 [studies]
Tennessee 348 [studies]
Texas 706 [studies]
Utah 228 [studies]
Vermont 40 [studies]
Virginia 327 [studies]
Washington 335 [studies]
West Virginia 88 [studies]
Wisconsin 221 [studies]
Wyoming 19 [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.