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
54590 Studies found for: intensity

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] 54,590
North America 25,062
United States 22,301 [studies]
Alabama 2,113 [studies]
Alaska 126 [studies]
Arizona 2,658 [studies]
Arkansas 1,218 [studies]
California 7,385 [studies]
Colorado 2,558 [studies]
Connecticut 1,948 [studies]
Delaware 335 [studies]
District of Columbia 982 [studies]
Florida 5,395 [studies]
Georgia 3,261 [studies]
Hawaii 332 [studies]
Idaho 680 [studies]
Illinois 3,713 [studies]
Indiana 2,151 [studies]
Iowa 993 [studies]
Kansas 1,714 [studies]
Kentucky 1,632 [studies]
Louisiana 1,631 [studies]
Maine 355 [studies]
Maryland 3,358 [studies]
Massachusetts 3,928 [studies]
Michigan 3,026 [studies]
Minnesota 2,281 [studies]
Mississippi 682 [studies]
Missouri 3,004 [studies]
Montana 433 [studies]
Nebraska 1,310 [studies]
Nevada 1,188 [studies]
New Hampshire 538 [studies]
New Jersey 2,451 [studies]
New Mexico 809 [studies]
New York 5,646 [studies]
North Carolina 4,061 [studies]
North Dakota 351 [studies]
Ohio 4,268 [studies]
Oklahoma 1,634 [studies]
Oregon 1,899 [studies]
Pennsylvania 4,463 [studies]
Rhode Island 861 [studies]
South Carolina 2,144 [studies]
South Dakota 421 [studies]
Tennessee 2,816 [studies]
Texas 5,978 [studies]
Utah 1,882 [studies]
Vermont 389 [studies]
Virginia 2,449 [studies]
Washington 2,873 [studies]
West Virginia 426 [studies]
Wisconsin 1,662 [studies]
Wyoming 81 [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.