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
5171 Studies found for: Recruiting, Not yet recruiting, Available Studies | Heart
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 5,171
Africa [map] 88
Central America [map] 20
East Asia [map] 808
Japan 74 [studies]
Europe [map] 2,019
Middle East [map] 167
North America 1,480
Canada [map] 336 [studies]
Mexico 27 [studies]
United States [map] 1,235 [studies]
North Asia [map] 102
Pacifica [map] 92
South America [map] 124
South Asia [map] 36
Southeast Asia [map] 103

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.