Most people in the United States are still susceptible to the coronavirus, CDC study finds

Andrew Noymer, an epidemiologist at the University of California, Irvine, said epidemiologists have believed for some time that there are about 10 times more total infections than confirmed cases. That assumption, he said is “baked into the cake of current policies.” Nonetheless, he said, “it is always important to back up our working assumptions with actual studies.”