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Immunologist 'cautiously optimistic' about omicron COVID-19 variantNovember 28, 2021 -
Omicron variant updates: Biden issues travel ban, new cases found in EuropeNovember 28, 2021 -
Fauci ‘would not be surprised’ if omicron COVID-19 variant is already in USNovember 27, 2021 -
COVID-19 variants' spread to Philly makes vaccination more key, says Penn expertMay 16, 2021 -
UK COVID-19 variant found in Montco, officials ask Pa. Health Department for vaccine increaseJanuary 27, 2021 -
LA County reaches grim milestone of 1 million COVID-19 casesJanuary 18, 2021 -
Gov. Newsom announces that the COVID-19 variant, found in the UK, Colorado, has been found in SoCalDecember 30, 2020