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Serology Test

COVID-19: You May Have Had Virus And Not Known It, CDC Says COVID-19: You May Have Had Virus And Not Known It, CDC Says
Covid-19: You May Have Had Virus And Not Known It, CDC Says There have been around 2.5 million cases of the novel coronavirus (COVID-19) in the United States since the pandemic began in mid-March. But the Centers for Disease Control and Prevention (CDC) is now saying that it's possible that just 10 percent of people infected with the virus are included in that number because most cases went undiagnosed. Dr. Robert Redfield, the CDC's director, said in a media briefing that a "good estimate" is 10-to-1 for those infected with COVID to those testing positive. That means the number of people who have or had COVID in the United States is about 25 …