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MIAMI (CBSMiami) — Florida Senator Marco Rubio is leading other candidates when it comes to support from Republican primary voters, according to a poll.

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The poll released Wednesday by Quinnipiac University, shows Rubio leading with 15 percent and Former Florida Governor Jeb Bush falling behind with 13 percent.

Wisconsin Gov. Scott Walker has 11 percent with no other candidate topping nine percent. Fourteen percent were undecided.

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On the Democratic primary field, polls show, former Secretary of State Former Secretary of State Hillary Clinton tops the list with 60 percent.

Vice President Joe Biden came in with just 10 percent of the support.

As for a possible match up between Clinton and Rubio, poll numbers show Clinton getting 45 percent of the votes and Rubio coming in close with 43 percent.

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“This is the kind of survey that shoots adrenalin into a campaign.  Marco Rubio gets strong enough numbers and favorability ratings to look like a legit threat to Hillary Clinton,”said Tim Malloy, assistant director of the Quinnipiac University Poll.