Nick Roman, host of KPCC's "All Things Considered" speaks with University of California Irvine Associate Professor of Public Health Tim Bruckner about the university's new antibody study in Orange County, and what it can show us about the spread of COVID-19 in the county. 

<p>Nick Roman, host of KPCC's "All Things Considered" speaks with University of California Irvine Associate Professor of Public Health Tim Bruckner about the university's new antibody study in Orange County, and what it can show us about the spread of COVID-19 in the county.&nbsp;</p>

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