A U.S. Navy investigation into the spread of the coronavirus aboard the Theodore Roosevelt aircraft carrier has found that about 60% of the roughly 400 sailors tested had antibodies for the virus, three U.S. officials told Reuters. If sailors who did not test positive show antibodies, that could suggest a higher rate of infection than previously known. Similar tests in Italy and elsewhere have indicated the presence of antibodies in people who did not test positive previously, giving a more accurate sense of the spread of the virus.
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