Washington, Aug 6 (TIWN) US President Joe Biden's approval ratings on how he has handled the Covid-19 pandemic and the economy have plunged, according to a new survey.

The biggest change to Biden's overall approval rating "came in views on his handling of the coronavirus, where approval dropped 9 points to 53 percent," the CNBC reported Tuesday. 

Meanwhile, the U.S. president's approval rating on his handling of the economy fell to 42 percent, a decline of 4 percentage points, it said.  The poll of 802 U.S. adults nationwide was conducted in late July.