CNBC World News

Twitter's acceptance of a mostly remote workforce predates the coronavirus pandemic.

"I really hope we have three, four, five vaccines, because no manufacturer can make enough doses for the planet," Moderna CEO Stephane Bancel said during CNBC's Healthy Returns Virtual Summit.

Stocks fell sharply, giving back some of their recently strong gains, as investors evaluated the latest attempts to reopen the economy.

Scientists and health officials may find a vaccine that is effective in preventing Covid-19 by the end of this year "if we're lucky," billionaire philanthropist Melinda Gates tells CNBC.

The U.S.-based pharmaceutical giant, which is working alongside German drugmaker BioNTech, last week dosed its first participants in the United States with a potential Covid-19 vaccine.

The Swedish government has pledged to spend an additional 2.2 billion Swedish krona ($226 million) on care for the elderly, as its death toll from the coronavirus continues to rise.

The U.S. should be wary of working too closely with China in order to protect its own democracy, according to billionaire George Soros.

Lambert thinks President Trump should delegate "responsibly" and let the medical professionals "step in."

Boeing's CEO Dave Calhoun told NBC's the "TODAY" show "Traffic levels will not be back to 100%. They won't even be back to 25%. Maybe by the end of the year we approach 50%. So there will definitely be adjustments that have to be made on the part of the airlines."

The U.K. government's new "stay alert" coronavirus safety campaign is being mocked on social media. When Prime Minister Boris Johnson announced the new advice on Sunday, which replaced "stay at home," it was met with widespread confusion.

Leaders have had to up their e-commerce nous, work out how to use social media and manage employees whose myriad living situations are broadcast on video calls, training providers told CNBC.

Dr. Anthony Fauci plans to testify Tuesday to the Senate that reopening U.S. states before they meet the minimum CDC criteria will cause "needless suffering and death," The New York Times reports.

Some 7.5 million people are now covered by the scheme, which will continue to pay workers on leave due to the coronavirus crisis until the end of October.

Bolt CEO Markus Villig is relatively optimistic about the outlook for ride-sharing as European economies start reopening.

The fire may have been caused due to one of the ventilation machines short-circuiting, Russian news agency Tass reported Tuesday.

The president angrily cut short his coronavirus press conference after he accused one reporter of asking "a nasty question," then refused to answer questions from another reporter who he had just called upon.

The Bank of England's monetary policy committee are "prepared to do what is necessary," Deputy Governor Ben Broadbent told CNBC.

Authorities around the world are on the alert for a second wave of the outbreak as various economies restart.

Saudi Arabia on Monday said it will reduce output by an additional 1 million barrels per day from June 1, in a bid to support oil prices.

Ryanair on Tuesday confirmed it will return to 40% of its planned flight schedule from July 1 and will require passengers to wear face coverings and to ask crew permission to use the toilet.