CNBC World News

Many unanswered questions about Covid-19 testing, psychology, economic tensions, social distancing and work-from-home curriculum make opening up schools in September a hazy venture.

Covid-19 has infected more than 3.5 million people around the world as of Monday, killing at least 247,752 people.

Never before has the U.S. fallen into a recession led by the services sector, so there is no real road map for the recovery.

CNBC spent a day aboard the Italian Navy's Fincantieri-built Alpino warship in 2018 while the vessel toured the U.S. East Coast.

WHO welcomes the recent data from a U.S. government-run clinical trial showing the drug appeared to be effective in reducing recovery times for Covid-19 patients, one official says.

Stocks fell on Monday as traders weighed the reopening of the economy along with brewing tensions between China and the U.S.

"We must reduce budget expenditures sharply," the Saudi finance minister said over the weekend. "Saudi finances need more discipline and the road ahead is long."

Berkshire Hathaway's 2020 annual shareholder meeting, the "Woodstock for Capitalists," was hosted virtually for the first time ever.

Several big firms, including Danish wind turbine manufacturer Vestas, are involved in the project.

The U.K. has added to international pressure on China to answer questions over information it gave the world about the coronavirus outbreak.

Non-EU member Norway is a co-chair of the event as a long-standing donor to global health initiatives.

The UAE has 14,163 cases and 126 deaths due to the coronavirus, based on data from Johns Hopkins University.

Roche CEO Severin Schwan said more research is needed to prove people gain immunity from Covid-19 infections.

Italy, Belgium and Portugal are reopening some business activities on Monday as they take their first tentative steps to lifting their coronavirus lockdowns.

The global economy is most likely set for a U-shaped recovery with a "jagged bottom" after the coronavirus crisis, and will benefit currencies in countries with strong fiscal positions, according to HSBC.

The London-based company has raised over $100 million from investors but it hasn't been an easy ride.

Experts warn that vaccine timelines look ambitious and argue more thought is needed on manufacturing.

Public health officials have said a coronavirus vaccine could take a year to 18 months.

That timeline would be a "very reasonable" expectation because of the necessary Phase 2 and 3 trials of any vaccine to guarantee both safety and efficacy, according to Dale Fisher, chair of the World Health Organization (WHO) Global Outbreak Alert and Response Network.

CNBC considers whether job losses and stock market volatility from the coronavirus crisis has caused lasting damage to the retirement savings of British millennials.