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The University of Illinois has won federal approval for its saliva-based COVID-19 test.
University of Illinois wins federal approval for its COVID-19 saliva test
Zbigniew Bzdak / Chicago Tribune
Medical technologist Joyce Chen loads samples to the extractor for the saliva-based COVID-19 test at the Molecular Pathology Laboratory at University of Illinois Hospital in Chicago on Dec. 11, 2020. 
