NIH study: Millions had undiagnosed COVID-19 in early months of pandemic

The National Institutes of Health analyzed blood samples from more than 8,000 people never diagnosed with the virus.

News 12 Staff

Jun 23, 2021, 10:52 AM

Updated 1,024 days ago

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An estimate predicts that many more Americans may have had COVID-19 than originally thought.
The National Institutes of Health analyzed blood samples from more than 8,000 people never diagnosed with the virus.
Close to 5% of those people had virus antibodies.
Based on those findings, researchers estimate nearly 17 million people had undiagnosed cases of COVID-19 by mid-July 2020.
Those people were asymptomatic, never noticed symptoms and were never diagnosed.
To put it in context, the NIH says for every diagnosed COVID-19 case in the pandemic's first few months, they estimate there were nearly five undiagnosed cases.


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