US had nearly 17 million undiagnosed COVID-19 cases in early months of pandemic: Study
There may have been nearly 17 million undiagnosed COVID-19 cases in the United States in the early months of the coronavirus pandemic, according to a new National Institutes of Health study.
The study suggests that the prevalence of
pgslot COVID-19 in the spring and summer of 2020 "far exceeded" the number of confirmed cases -- especially in people who were asymptomatic.
"A hallmark of the coronavirus pandemic is that there are people infected with the virus that causes COVID-19 who have few or no symptoms," Dr. Matthew Memoli, director of the Laboratory of Infectious Diseases Clinical Studies Unit at the National Institute of Allergy. and Infectious Diseases, which participated in the research team, said in a statement. "While counting the numbers of symptomatic people in the United States is essential to contend with the impact of the pandemic and public health response, gaining a full appreciation of the COVID-19 prevalence requires counting the people who are undiagnosed."
The NIH report, which was published this week in Science Translational Medicine, represents the first data from a 12-month study launched in April 2020.
By analyzing blood samples of more than 8,000 people who were not previously diagnosed with the virus -- along with socioeconomic, health and demographic data -- NIH researchers estimated that for every diagnosed COVID-19 case during the spring and summer of 2020, there were. 4.8 undiagnosed cases -- representing an additional 16.8 million cases.
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