Researchers already tracking whether Covid vaccine boosters will be needed: Dr. Fauci

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Biden cleared for travel, public events after testing negative for Covid for second day
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Biden experiencing no reemergence of symptoms after testing positive for Covid again, White House says
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President Biden ends Covid isolation after testing negative
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Biden tests negative for Covid
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Biden's doctor says his Covid symptoms are 'almost completely resolved'
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Sen. Joe Manchin tests positive for Covid
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Covid cases and hospitalizations spiking for third July in a row
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What toll will Covid take on Biden?
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White House details physician's response to Biden contracting Covid
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Harris says Biden is in 'good spirits' as he recovers from Covid
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Andrea Mitchell recounts illnesses, health scares of former presidents
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UP NEXT
New school means new disease risks
06:38
Biden cleared for travel, public events after testing negative for Covid for second day
02:03
White House declares monkeypox a public health emergency
03:52
'Rebound' Covid infections after Paxlovid becomes focus of inquiry
02:15
Biden experiencing no reemergence of symptoms after testing positive for Covid again, White House says
11:20
How Worried Should You Be About Monkeypox?
15:05