South Korea says the MERS outbreak in the country is over.
Jeb Bush is the former governor of Florida.
Dr. Ben Carson is the former head of pediatric neurosurgery at Johns Hopkins University in Baltimore, Maryland.
The Republican governor of New Jersey also wants to be president.
Ted Cruz is a senator from Texas.
Carly Fiorina is the only Republican woman so far running for president.
Lindsey Graham is a Republican senator from South Carolina and a military veteran.
Mike Huckabee is an ordained preacher and a musician who plays bass.
Lincoln Chafee is a former senator and governor of the small state of Rhode Island.
The 2016 election is Hillary Clinton’s second run for the White House.