A recent poll found former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE's favorability has not been affected by the ongoing fallout from media coverage concerning President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE asking the president of Ukraine to "look into" the 2020 Democratic presidential candidate.

A Morning Consult poll found Biden's favorability has remained stable after the news broke last week.

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The poll was conducted from Sept. 23 to 29, starting after the Ukraine story broke and continuing amidst the announcement of an impeachment inquiry and the releases of Trump's conversation with Zelensky and the whistleblower complaint.

Biden's favorability has stabilized in the low-70s since the first debate in June.

The former vice president maintains the lead in the Morning Consult Democratic primary poll at 32 percent support, which is unchanged from the previous week. When narrowed to voters in early primary states, Biden dropped 3 percentage points from last week to 31 percent.

Biden tied for the highest favorability overall at 73 percent with Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.).

The president and his supporters have urged people to take a closer look at Biden's connections to Ukraine. Biden's son previously served on a Ukrainian gas company's board.

Ukraine's former prosecutor general has said he found no evidence of corruption by Biden's son, Hunter.

The poll surveyed 16,274 registered voters planning to vote in the Democratic primary or caucus with a margin of error of 1 percent.

The early primary state voters poll surveyed 734 voters in Iowa, New Hampshire, Nevada and South Carolina with a margin of error of 4 percent.