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The U.S. National Institutes of Health ( NIH ) is starting a study to determine how many Americans have already had COVID-19 without knowing it .

The researchers will analyze participants ' blood samples for the front ofantibodies against SARS - CoV-2 , the computer virus that causes COVID-19 . These antibody can show if a person has been infected with COVID-19 in the past .

In Brief

The NIH design to recruit as many as 10,000 Tennessean for the subject field . Participants can live anywhere in the U.S. , and must be over age 18 to take part . Individuals can not take part in the cogitation if they have a history of reassert COVID-19 infection , or are currently experiencingsymptoms of the disease .

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" This subject area will give us a clearer picture of the true magnitude of the COVID-19pandemicin the United States by telling us how many people in different communities have been infected without recognise it , because they had a very balmy , undocumented unwellness or did not access testing while they were unbalanced , " Dr. Anthony Fauci , managing director of the National Institute of Allergy and Infectious Diseases ( NIAID)said in a command . " These crucial data point will help us measure the encroachment of our public wellness efforts now and guide our COVID-19 reply moving forward . "

A Y-shaped protein called an antibody.

citizenry who enrol in the study will first attend a practical clinic sojourn and discharge a wellness questionnaire . Next , they ’ll put forward a blood sample by either having their blood eviscerate at the NIH Clinical Center in Bethesda , Maryland , or taking a parentage sample at habitation with a special examination outfit that will be sent to them , and which they will regress by mail . The at - home base test involve a minuscule digit prick to hold a origin sampling .

" An antibody test is looking back into the immune scheme ’s story with a rearview mirror , " tell Dr. Matthew Memoli ,   principal detective of the study and director of NIAID ’s Laboratory of Infectious Diseases Clinical Studies Unit . " By take apart an someone ’s blood , we can determine if that person has encountered SARS - CoV-2 previously . "

the great unwashed interested in participating in the study should emailclinicalstudiesunit@nih.govfor more data .

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