A Harvard University disease expert 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. KYW Newsradio's suburban bureau chief Jim Melwert reports.

<p>A Harvard University disease expert 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. KYW Newsradio's suburban bureau chief Jim Melwert reports.</p>

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