This month marks four years since the world stopped because of the start of the COVID-19 Pandemic. 

For a look back at the biggest changes and challenges from four years ago and predictions for the future of COVID, KCBS Radio’s Patti Reising spoke with Dr. Peter Chin-Hong, infectious disease physician with UCSF Health. 

<p>This month marks four years since the world stopped because of the start of the COVID-19 Pandemic. </p>
<p>For a look back at the biggest changes and challenges from four years ago and predictions for the future of COVID, KCBS Radio’s Patti Reising spoke with Dr. Peter Chin-Hong, infectious disease physician with UCSF Health. </p>

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