Dhaka, Oct. 24 -- US Democratic presidential nominee Joe Biden has said that if elected, he will make coronavirus (Covid-19) vaccines free for all Americans.

"Once we have a safe and effective vaccine, it has to be free to everyone -- whether or not you're insured," Biden said on Friday in a speech in Wilmington, Delaware.

He assailed incumbent President Donald Trump for his response to the coronavirus pandemic, saying he has "given up" fighting the virus and has "quit on America," reports Xinhua.

The former vice president made the pledge one day after he debated Trump for the final time before the Nov. 3 election. The pandemic was a central topic at the debate.

"Covid-19 dwarfs anything that we've faced in recent history, and it isn'...