We wonder how experts know if someone positive for covid-19 has contracted the delta or omicron variant.
Dr. Elmer Huerta explains the process that is followed.
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2022-01-18T16:42:56.121Z
We wonder how experts know if someone positive for covid-19 has contracted the delta or omicron variant. Dr. Elmer Huerta explains the | Health | CNN
We wonder how experts know if someone positive for covid-19 has contracted the delta or omicron variant.
Dr. Elmer Huerta explains the process that is followed.
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