Kamala Harris on Wednesday blamed President Donald Trump for the severity of the coronavirus outbreak in the United States, saying Trump is "delusional" and failed to take the virus "seriously from the start.".

She spoke in Wilmington, Delaware, during her first joint appearance with former Vice President Joe Biden since she became his running mate Tuesday.

In response to Harris' remarks, Trump campaign communications director Tim Murtaugh said the president "has been leading the nation through the coronavirus crisis and restricted travel from China, and then Europe, way back in January.".

on failures in the Trump administration, saying it failed to act quickly to contain the virus, still lacks a coordinated response between the federal government and states and made early missteps on testing.

"Masking, clear science-based guidance, dramatically scaling up testing, getting states and local governments the resources they need to open the schools and businesses safely," he said. .

He asked Trump and Vice President Mike Pence to "take responsibility" for the outbreak.

"With more than 5 million reported infections and 165,000 people dead and climbing as a consequence of Covid-19 and still months later no real leadership or plan from the president of the United States how to get this pandemic under control.