The study tested a demographically-representative group of more than 800 people for antibodies to COVID-19. It suggests there could be anywhere from 220,000 to 440,000 people infected in the county.

<p>The study tested a demographically-representative group of more than 800 people for antibodies to COVID-19. It suggests there could be anywhere from 220,000 to 440,000 people infected in the county.</p>

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