The World Health Organization issued a warning about coronavirus testing, saying there’s no evidence antibody tests can show whether a person has immunity or is no longer at risk of becoming reinfected. - CNBC
The World Health Organization issued a warning Friday about coronavirus testing, saying there's no evidence serological tests can show whether a person has immunity or is no longer at risk of becoming reinfected.
More than 560,000 of the 2.1 million coronavirus cases across the world are marked as recovered, according to data compiled by Johns Hopkins University. However, infectious disease experts say the case total is likely much higher as people go undetected and countries struggle with testing.recommended states use the tests
"What the use of these tests will do will measure the level of antibodies. It's a response that the body has a week or two later after they've been infected with this virus," she said at a news conference at WHO's Geneva headquarters. "Right now, we have no evidence that the use of a serological test can show that an individual is immune or protected from reinfection.
"Plus some of the tests have issues with sensitivity," he added. "They may give a false negative result."WHO officials said not all people who recover from the coronavirus have the antibodies
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