Delta strain of coronavirus found in CT now ‘variant of concern,’ CDC says

UCSF-Abbott Viral Diagnostics and Discovery Center lab director Dr. Charles Chiu demonstrates how to use the Oxford Nanoport Technologies Promethion sequencer used to read sequences of the COVID-19 virus in his lab in San Francisco, Calif. Tuesday, January 5, 2021. Public health experts are increasingly concerned about the impact of highly contagious coronavirus variants. UCSF is running tests on the strains of the virus circulating in California to help identify new strains.

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