‘Worse than flipping a coin’: Quidel rapid COVID-19 test fails in asymptomatic people

David Harris, a stem cell scientist and among the research studys authors, stated a few of the asymptomatic individuals might have been missed due to the fact that they carried insufficient of the virus to spread it to others.

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” The information for the symptomatic group is decent,” Jennifer Dien Bard, PhD, director of the clinical microbiology and virology lab at Childrens Hospital Los Angeles, informed the Times. “But to get less than 50 percent in the asymptomatic group? Thats worse than turning a coin.”.

The test is just licensed for individuals with signs, but its use in asymptomatic individuals has actually been strongly encouraged by the U.S. government, the Times reported. In September, HHS started distributing to states 150 million similar quick antigen tests made by Abbott..

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The test, called the Sofia fast antigen test, might find the infection in more than 80 percent of people who were symptomatic, however just 32 percent of those without symptoms..

The Sofia test is much quicker and more affordable than lab-based tests, called PCR tests, but PCR tests are far more precise. Sofias guideline manual declares it can find 96.7 percent of the infections that PCR tests can when utilized on individuals in their very first five days of health problem, the Times reported. Quidels test also produced more false positives than PCR tests..

Quidel told the Times the test benefited rooting out people who are contagious..

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” The information for the symptomatic group is decent,” Jennifer Dien Bard, PhD, director of the clinical microbiology and virology laboratory at Childrens Hospital Los Angeles, told the Times. “But to get less than 50 percent in the asymptomatic group? The Sofia test is much quicker and cheaper than lab-based tests, called PCR tests, however PCR tests are much more accurate. Sofias guideline manual claims it can discover 96.7 percent of the infections that PCR tests can when used on individuals in their very first 5 days of health problem, the Times reported.

Maia Anderson –
Tuesday, November 3rd, 2020
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A rapid test made by Quidel could only detect 32 percent of favorable COVID-19 cases that were recognized by a slower, lab-based test, according to a study conducted by researchers at the University of Arizona, The New York Times reported..