Antibody tests are different from the standard nasal swab tests that diagnose active infections. Based on other viruses, experts expect those with coronavirus antibodies to be at least partly immune for several months, if not longer. At the same time, Trump highlighted his administration’s “fantastic progress” bringing antibody tests to market, some officials were raising concerns. The antibody tests simply provided “one extra layer of protection,” he said. The CDC and state public health agencies continue to use antibody testing to track the spread of the virus in the U.S.
Source: ABC News September 07, 2020 13:00 UTC