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Dr. Fauci warns about new Delta coronavirus variant

Dr. Fauci warns about new Delta coronavirus variant

How do coronavirus variants form and will the current vaccines work against them?

How do coronavirus variants form and will the current vaccines work against them?

Doctor on COVID-19 in children and what we know about the new Mu variant

Doctor on COVID-19 in children and what we know about the new Mu variant

Fauci says new COVID-19 variants "are of concern"

Fauci says new COVID-19 variants "are of concern"

Average U.S. COVID deaths reach new low as new variant threatens to reverse the trend

Average U.S. COVID deaths reach new low as new variant threatens to reverse the trend

New COVID subvariant spreading rapidly

New COVID subvariant spreading rapidly

New concerns raised over South African variant of COVID-19

New concerns raised over South African variant of COVID-19

Florida's Delta variant outbreak triggers record number of new COVID infections

Cases of the Omicron coronavirus variant confirmed in at least 5 states

Amid rise in COVID hospitalizations, health experts reveal new details about updated boosters

CBS NewsSara Moniuszko

Doctor explains why COVID-19 variants are more contagious

Study: Johnson & Johnson COVID vaccine highly effective against Delta variant

CDC isn't changing mask guidelines despite risk of COVID-19 Delta variant

Portugal's war victory against COVID

Holiday travel up despite COVID surges

COVID: UCSF Dr. Jeffrey Martin on the symptoms of Long COVID

Emergency use authorization could come soon for Pfizer vaccine for teens

How to distinguish cold and flu from COVID-19

Protests erupt across China against strict COVID measures

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