It has been one of the most glaring unanswered questions of the coronavirus crisis: How much has the virus spread? A new study in Los Angeles County might help provide some answers.Starting Friday, county health officials will begin testing the blood of 1,000 randomly selected residents, including those with no symptoms, to see if they have or had COVID-19. Using emerging technology that tests for antibodies to a virus, the study has the potential to shed light on the true mortality rate of the coronavirus, the efficacy of social distancing efforts and when this unprecedented clampdown on daily life could end.Health officials and researchers say the results of this effort, known as serological testing, could paint the most complete picture yet of the sweep of the pandemic in the nation’s most populous county.“Is it 1% of our population? Is it 10% of our population? That’s the difference between 80,000 adults and 800,000 adults. We have no idea,” said Dr. Paul Simon, chief science officer of the Los Angeles County Department of Public Health. Advertisement With the study’s launch, the county joins the growing ranks of governments and researchers that are turning to antibody tests as a new frontier in the… Read full this story
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