CNBC Asia

Salesforce will deploy a call center as well as a customer relationship and case management system that will help the city track potential cases and isolate people before they become sick, de Blasio said.

"We will all be supply constrained for quite some time, meaning we won't be able to make as many product as will be required to vaccinate everyone on the planet," CEO Stephane Bancel said on CNBC's "Squawk Box."

The World Health Organization is holding a briefing Friday on the coronavirus, which has infected more than 3.8 million people worldwide and killed at least 269,881.

Spain saw 229 new deaths related to Covid-19, up from 213 the day before.

The U.S. employment report for April is expected to be out at 8:30 a.m. ET Friday. Economists expect that more than 20 million jobs were lost last month, according to Dow Jones.

U.S. Treasury Secretary Steven Mnuchin and U.S. Trade Representative Robert Lighthizer spoke to Chinese Vice Premier Liu He late Thursday Eastern time.

China is likely to use the crisis as an opportunity to raise its profile and expand its influence particularly over countries hard-hit by the pandemic, analysts say.

California Gov. Gavin Newsom announced on Thursday a list of health guidelines that retailers, manufacturers and warehouses must adopt to begin offering curbside pick-up as early as Friday.

Covid-19 has infected 3.7 million people globally, and killed at least 264,111 as of Thursday.

"This is a tough, tough virus," said disease specialist Dr. Dale Fisher. "All it takes is one infected person and it spreads like wildfire."

Hydroxychloroquine, a decades-old malaria drug touted by President Donald Trump, didn't appear to help hospitalized patients with Covid-19, according to a new observational study.

"We don't think it will have this very rapid seasonal change that we have to deal with influenza," the head of the NIH tells Congress.

"This is not a situation where you can go to the American people and say, 'How many lives are you willing to lose to reopen the economy?' We don't want to lose any lives," Cuomo said.

Americans need coronavirus tests "that do not require hours or days to determine results," the head of the NIH tells Congress.

New York Gov. Andrew Cuomo is holding his daily press conference on the Covid-19 outbreak, which has infected more than 323,900 people across the state as of Thursday.

Early look at data from 100 New York hospitals shows that 66% of new admissions related to the virus are people who were at home, Cuomo said.

Russia reported 11,231 additional cases of the coronavirus disease to bring the country's tally to 177,160 since the outbreak.

With the world already reeling from the economic impact of the coronavirus pandemic, a reignition in U.S.-China trade tensions would be the "the last thing" anyone needs, according to JPMorgan Asset Management's Alexander Treves.

Data showed China's exports rose 3.5% from a year ago, versus a 15.7% decline in a Reuters poll.

Morgan Stanley Investment Management's Andrew Harmstone advises investors to keep their portoflio risk level low and maintain a defensive position while looking for opportunities to add value in an environment of "extremely high" volatility.