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June 4, 2020

The reasons why Covid-19 antibody tests are causing confusion

By Magdalena Dugdale

Covid-19 antibody tests are now widely available and play an important role in understanding the virus’ epidemiology in the general population. However, the correlation between a positive result for an antibody test and immunity to the virus is unproven.

The mere presence of Covid-19 antibodies does not equal immunity; researchers do not know yet how much antibody in a person is required to be protective, nor how long that protection might last. To make matters more complicated, some antibody tests have been reported to give false positive results nearly half of the time.

Read more here.

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