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    • A Timeline of COVID-19 Variants

      A Timeline of COVID-19 Variants

      Verywell Health via Yahoo News· 2 years ago

      It didn’t take long for COVID to start mutating enough that variants of the original virus emerged. To keep track, the World Health Organization (WHO)...

    • Could old coronavirus variants ever come back?

      Could old coronavirus variants ever come back?

      The Hill via Yahoo News· 1 year ago

      Story at a glance Omicron and its subvariants make up 99.9% of current COVID-19 spread. What happened to the variants that once wreaked havoc? “For all...