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    Pfizer says its 3-dose vaccine will protect kids under 5

    00:28
  • Doctor hopes more parents will vaccinate children after FDA authorizes Pfizer booster

    03:44
  • Nationwide Covid cases are up 55 percent

    01:29
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  • FDA approves booster dose of Pfizer Covid vaccine for kids aged 5 to 11

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  • FDA expected to approve Pfizer booster for children aged 5-11

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  • North Korea's Kim inspects pharmacies as Covid cases increase

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  • North Korea deals with Covid outbreak after first cases reported

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  • Kim Jong Un visits North Korea’s Covid crisis headquarters

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  • Biden marks 'tragic milestone' of one million Covid deaths in U.S.

    02:02
  • Biden marks deaths of 1 million Americans to COVID-19

    01:11
  • North Korea's Kim wears face mask as first Covid cases acknowledged

    00:37
  • Watch: Beijing’s once bustling streets deserted amid Covid outbreak

    01:04
  • California nurses are increasingly quitting over burnout from Covid

    05:00
  • Covid cases rise nationwide as testing declines

    04:57
  • Beijing shuts down after Covid outbreak in Shanghai

    01:49
  • Craig Melvin gives update after he and whole family get COVID

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  • COVID-19 surge looms over busy summer travel season

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  • Savannah Guthrie shares update on COVID recovery

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Boris Johnson ramps up U.K. booster program ahead of omicron ‘tidal wave’

02:12

British Prime Minister Boris Johnson said there was no doubt that a "tidal wave of omicron" would hit the U.K. He added that everyone eligible aged 18 and over in England will have the chance to get their booster before the New Year, moving up that goal by a month. Meanwhile, British scientists raised the coronavirus threat level to 4, the second-highest on the scale.