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The vaccine produced neutralizing antibodies, which researchers believe are necessary to build immunity to the virus, and T-cells, Moderna said.

"It doesn't mean that it's happening a lot; we know that it's possible," said Maria Van Kerkhove, head of the WHO's emerging diseases and zoonosis unit.

Check out the companies making headlines in midday trading.

"This makes no sense. People without symptoms account for up to 50% of transmission," Dr. Leana Wen, the former health commissioner of Baltimore, said in a tweet. "We need MORE testing, not less."

Hundreds of billions of dollars being sent out in a short amount of time was bound to lead to some confusion. A second round of checks is on the horizon but will you be eligible? Here are the biggest myths about stimulus checks.

Fall is just around the corner, and that means it's almost time to pick out your Medicare plan for 2021. Here are three ways to prepare and save a few bucks.

"There is no question in my mind that retail is a falling knife, and we are for sure not at the bottom," real estate mogul Sam Zell told CNBC.

Of the three newest names joining the Dow, the options market is betting Amgen might be the biggest winner.

Microsoft's deal talks with TikTok "ballooned" this summer after President Donald Trump intervened, according to a report from The New York Times.

The former FDA chief hopes America is beyond the throes of the pandemic by early next year, but cautioned against easing up on public health mitigation strategies.

Billionaire investor Sam Zell told CNBC that corporate leaders have a role to play in helping U.S. cities stave off a serious economic decline.

Women under 45 are taking control of their finances, according to a report from Merrill Lynch Wealth Management that surveyed 4,000 women of all ages.

The United Nations, the parent organization of the WHO, has previously warned that the coronavirus pandemic "has the seeds of a major mental health crisis."

As the Dow Jones Industrial Average changes its stripes, two traders are split as to whether the S&P 500 or the Dow is more defining of the times.

The World Economic Forum announced it decided to postpone its meeting in Davos, Switzerland, out of an abundance of caution regarding Covid-19.

Chris Voss, former FBI hostage negotiator, mastered an art of the deal under stress that works, and his tips can help businesses and individuals struggling with rent during Covid-19.

McDonald's investigation into former CEO Steve Easterbrook's behavior reportedly includes whether he covered up other employees' improprieties.

Speakers on the second night of the Republican National Convention focused on issues that animate Trump's base, including abortion, Confederate monuments, LGBTQ rights and media bashing.

The speakers focused on a wide range of issues, including the economy, foreign policy and social issues in their push for President Donald Trump's reelection.

Starting this week, every homeowner and potential homebuyer in America will be able to see a new analysis of their property's flood risk. It could have a huge impact on the national housing market.