Moderna has received nearly $1 billion from the US government, which is helping to bankroll several vaccine candidates under its Operation Warp Speed program.
"Having a safe and effective vaccine distributed by the end of 2020 is a stretch goal, but it's the right goal for the American people."
Seth Berkley, chief executive of the GAVI vaccine alliance, which is co-leading the COVAX facility designed to ensure fair global access to COVID-19 shots.
There was a large range of numbers, and they (the EU sources) put the highest number out," Berkley said in an interview.
As a U.S. equity rally stalled this week, investors poured a net $24.5 billion into bonds, the third largest weekly inflows ever recorded, while pulling $3.8 billion out of stocks, according to BoFA Global Research.
*"We expect air travel demand to remain depressed until a vaccine or therapeutics are available to combat the infection and spread of COVID-19," Kelly said.
Brent crude added 2 cents, or 0.1%, to $44.31 a barrel by 0207 GMT while U.S. West Texas Intermediate (WTI) crude gained 6 cents, or 0.1%, to $41.96 a barrel.