Dr. Fauci on confusion over mask wearing amid delta variant concerns
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Dr. Anthony Fauci speaks with NBC News’ Lester Holt about the CDC’s mask guidelines for vaccinated Americans, the effectiveness of vaccines against the delta variant and more.June 29, 2021
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Biden back in isolation after rebound case of COVID-19
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COVID-19 concerns seem to fade while the virus continues to spread
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Biden tests positive for COVID-19 after Paxlovid rebound
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President Biden tests positive again for Covid-19
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'I'm feeling great': Biden speaks after testing negative for Covid
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Biden’s COVID symptoms said to be ‘almost completely resolved’