Researchers narrow down the proportion of COVID-19 cases likely linked to asymptomatic spread
ne of the more insidious features of the new coronavirus behind COVID-19 is its ability to settle into unsuspecting hosts who, researchers at the Scripps Research Translational Institute reviewed data from 16 different groups of COVID-19 patients from around the world to get a better idea of how many cases of coronavirus can likely be traced to people who spread the virus without ever knowing they were infected. Their conclusion: at minimum, 30%, and more likely 40% to 45%.
Topol and his co-author, Daniel Oran, searched for published and unpublished studies that included asymptomatic people and focused on 16 different groups of people screened or tested for COVID-19 around the world.
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