Name: 3,300 volunteers given antibody tests get their results
Uploaded: 2018-09-01T09:00:00.000+0000
Description: A Stanford doctor said official records showed 1,000 COVID-19 cases in a California county, but antibodies showed the number could be up to 80,000.

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World News Tonight with David Muir Videos 3,300 volunteers given antibody tests get their results