If everyone in the U.S. wore a mask, the coronavirus pandemic could be "under control" within four to eight weeks, Centers for the Disease Control and Prevention director Robert Redfield said in a discussion led by medical journal JAMA on Tuesday.

The big picture: JAMA published an editorial on Tuesday co-authored by Redfield that points to research papers showing that the positivity rate of confirmed cases can decrease in populations with masking. "The time is now. We really need to embrace masking," he said.

What he's saying: "If we could get everybody to wear a mask right now, I think in four, six, eight weeks we could bring this epidemic under control."

  • "I am heartened to see more and more people now. I'm glad to see the president wear a mask this weekend — the vice president. Clearly in their situation, you can easily justify they don't need to because of all the testing around them and they know they're not infected. But we need them to set the example."

By the numbers: The CDC published two reports on Tuesday that studied how wearing face coverings can reduce COVID-19 spread for businesses and how mask usage was easily adopted among some racial and ethnic groups from April to May.

  • The incidence of cloth face coverings was higher in all sociodemographic groups in the U.S., among Black Americans, Hispanics, people 39 years and older, as well as those living in the Northeast.
  • Another case study shows 139 clients were exposed to two symptomatic hair stylists with confirmed COVID-19. Both the stylists and customers wore face masks and no symptomatic secondary cases were reported.

Go deeper: CDC expands list of who's most at risk for the coronavirus

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The childless vaccine

Illustration: Eniola Odetunde/Axios

It'll likely be a long time before children are vaccinated against COVID-19, even though vaccinating kids could eventually play an integral role in reducing the virus' spread.

The big picture: None of the leading contenders in the U.S. are being tested for their effectiveness in children. Even once one of them gains authorization from the Food and Drug Administration, there will only be a limited number of available doses.

Updated Sep 27, 2020 - Health

3 states set single-day coronavirus case records last week

Data: Compiled by Axios; Map: Danielle Alberti/Axios

Utah, North Carolina and Wyoming set new highs last week for coronavirus infections recorded in a single day, according to the COVID Tracking Project (CTP) and state health departments. Utah and Wyoming surpassed records set the previous week.

Why it matters: Record case highs have usually meant that more hospitalizations and other serious outcomes are on the way, CTP's latest weekly update notes.

Updated Sep 28, 2020 - Health

World coronavirus updates

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Data: The Center for Systems Science and Engineering at Johns Hopkins; Map: Axios Visuals

India became on Monday the second country after the U.S. to surpass 6 million cases.

By the numbers: Globally, nearly 997,800 people have died from COVID-19 and over 33 million have tested positive, Johns Hopkins data shows.