The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...
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Beta Variant
The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...
A medical worker inoculates an old woman with a dose of COVID-19 vaccine in Neikeng Town in Jinjiang City, southeast China's Fujian Province on Aug. 31, 2021. China is experiencing yet another ...
We're back in familiar territory - growing concern about a new variant of coronavirus. It has been named Omicron by the World Health Organization, following the pattern of Greek code-names like the ...
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