The video-sharing platform added that it will be taking the extra step of disabling comments underneath videos on Trump's channel. The company's policy state that earning a second strike will result in a two-week suspension and three strikes will result in a permanent ban. 

Wednesday's violence came hours after Trump encouraged his supporters to fight against the election results as Congress was certifying Biden's victory in the November vote.

All sectoral indices at the National Stock Exchange were in the green with Nifty realty rising by 3 per cent, metal by 1.8 per cent, PSU bank and auto by 1 per cent each.

"Don't be afraid of Covid," Donald Trump said in a Tweet, claiming to be feeling rejuvenated after his illness.

"America is taking a huge gamble by taking a go-it-alone strategy," said Lawrence Gostin, a professor of global health law at Georgetown University.

The phase 3 trial is being implemented as part of Operation Warp Speed in the US, which aims to deliver 300 million doses of a safe, effective vaccine for COVID-19 by January 2021.

Trump has been piling pressure on Chinese-owned companies, such as by vowing to ban short-video app TikTok from the United States.

US politicians have repeatedly criticised TikTok, owned by Beijing-based startup ByteDance, of being a threat to national security because of its ties to China.

Previously in January, Trump said that US has not been "treated fairly" by the World Trade Organisation (WTO), which considered China and India as developing nations.

The NIH plans to conduct the trial at multiple US clinical research sites with the participation of approximately 30,000 adult volunteers who do not have COVID-19.