The primary election begins with the Iowa first-in-the-nation caucuses on Feb. 3, 2020 and was expected to run through June. But several states have made changes to their scheduled primary plans due to coronavirus.

Here are the primary and caucus dates for the 2020 election:

February

February 3: Iowa caucuses

February 11: New Hampshire primary

February 22: Nevada Democratic caucuses

February 29: South Carolina Democratic primary

March

Super Tuesday (March 3): Alabama, Arkansas, California, Colorado, Maine, Massachusetts, Minnesota, North Carolina, Oklahoma, Tennessee, Texas, Utah, Vermont and Virginia primaries, and American Samoa Democratic caucuses.

Democrat voters living abroad begin voting on March 3 through March 10.

March 8: Puerto Rico Republican primary

March 10: North Dakota Democratic "firehouse caucus," Idaho, Michigan, Mississippi, Missouri and Washington primaries

March 12: Virgin Island Republican caucus and Northern Mariana Islands Democratic caucus

March 17: Arizona Democratic primary and Florida, Illinois, and Ohio primaries.

April

April 7: Wisconsin primary

April 10: Deadline for mail-in ballots for Alaska Democratic primary, originally scheduled for April 4.

April 17: Deadline for mail-in ballots in Wyoming Democratic caucus, originally scheduled for April 4.

April 28: Ohio primaries.

May

May 2: Guam Democratic caucuses and Kansas Democratic primary

May 9: Wyoming Republican convention

May 12: Nebraska primaries

May 19: Oregon primaries

May 30: Virgin Island Republican caucuses

June

June 2: Indiana, Maryland, Montana, New Mexico, Pennsylvania, Rhode Island, South Dakota and Washington, D.C., primaries.

June 6: Virgin Island Democratic caucus

June 7: Puerto Rico Republican primary

June 9: Georgia and West Virginia primaries

June 23: Kentucky and New York primaries

July

July 7: New Jersey and Delaware primaries

July 11: Louisiana primaries

July 12: Puerto Rico Democratic primary

August

August 11: Connecticut