Sky News host Danica De Giorgio has reacted to Joe Biden's latest gaffes over the weekend.

The US President appeared to make a gaffe on Sunday during his speech at a campaign in Michigan, suggesting he was vice president during the COVID-19 pandemic. 

“I think it’s absolutely constant signs of senility, but we’ve seen this going on for some time,” she told Sky News host Andrew Bolt. 

“It’s the constant fumbles, bumbles, mumbles, if he's not tripping he’s slipping, he’s forgetting things … and it actually a very sad state of affairs. 

“How long can we let this go on for?”