I predict by the time this is over the final number will be close 100 million....
Is some areas where random antibody tests have been done, some of the estimates are as his a 50 times the reported number of cases have been infected....
https://www.theverge.com/2020/6/29/21306862/blood-donor-red-cross-antibody-coronavirus
“When someone donates blood to the Red Cross, they consent to allow their blood samples to be used in research studies. Thousands of people all over the country donate blood each month, which gives the organization a huge pool of blood samples to analyze. By testing all of those samples for novel coronavirus antibodies, the organization will also be able to get a sense of how widespread the virus is.
“We collect 40% of the nation’s blood supply, so we have an easy picture to answer questions around how many people are antibody positive,” Stramer says. So far, with two weeks of data, around 1.2 percent of blood donors have novel coronavirus antibodies.”