Amid ongoing concerns about the Coronavirus, national Democrats announced on Wednesday that they would scrap plans for a normal nominating convention in Milwaukee, as while Joe Biden will go there to accept his party's nomination, state delegations were being told not to plan any travel.

"Unlike this President, Joe Biden and Democrats are committed to protecting the health and safety of the American people," said Democratic party chief Tom Perez.

Democrats had already delayed their planned convention in Milwaukee by a month, from mid-July to mid-August.

In their announcement on Wednesday, party leaders said the convention would be 'anchored' in Milwaukee, but would also take place virtually from a number of sites in other states as well.

“The city of Milwaukee has been an incredible partner and we are committed to highlighting Wisconsin as a key battleground state at our convention this August," said Jen O'Malley Dillon, Biden's Campaign Manager.

The announcement came a day before President Donald Trump was scheduled to visit Milwaukee; recent polls have shown Biden leading in the state.

Republicans have also changed their convention schedule because of the Coronavirus - it will start in Charlotte, North Carolina but end in Jacksonville, Florida.

That decision came after the Governor of North Carolina could not assure President Trump that the convention could go on without Coronavirus restrictions.