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2020 Year in Review: COVID-19, CRISPR and Immunotherapies Define the Year for the Life Sciences

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Several saliva-based tests also received FDA approvals and authorizations, making sample collection easier and less invasive compared with traditional nasopharyngeal swabbing. Charpentier demonstrated that the CRISPR/Cas system functions to provide adaptive immunity against foreign DNA in prokaryotes such as bacteria and archaea.