California and New York both saw some of the first cases of Coronavirus in the US... but as California cases have grown relatively slow, New York's are spiking.

For a closer look at the possible reasons KCBS Radio News anchor Dan Mitchinson spoke with Dr. Warner Greene, Senior virologist with Gladstone Institutes. 

<p>California and New York both saw some of the first cases of Coronavirus in the US... but as California cases have grown relatively slow, New York's are spiking.</p>
<p>For a closer look at the possible reasons KCBS Radio News anchor Dan Mitchinson spoke with Dr. Warner Greene, Senior virologist with Gladstone Institutes.&nbsp;</p>

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