Harvard University epidemiology professor Michael Mina explains why he is urging the federal government to rethink how it approves testing as he says low-cost, rapid tests could be a key public health tool in significantly slowing the spread of the coronavirus. 

<p>Harvard University epidemiology professor Michael Mina explains why he is urging the federal government to rethink how it approves testing as he says low-cost, rapid tests could be a key public health tool in significantly slowing the spread of the coronavirus.&nbsp;</p>

The latest news around the Philadelphia region from KYW Newsradio.
 
 
 

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