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How Accurate Are COVID-19 Diagnostic and Antibody Tests?

Experts say the current diagnostic tests for the new coronavirus are highly accurate while antibody tests are not as trustworthy.
There are two types of common diagnostic tests — one looks for the coronavirus’ genetic material, while the antigen test searches for proteins.
Experts say any tests must be done properly to be effective.

The most common tests used to diagnose an infection with the novel coronavirus are almost 100 percent effective if administered correctly.

However, the same can’t be said of tests to determine if you’ve already had the disease and have developed antibodies.

Experts say diagnostic testing is one of the most powerful public health tools for fighting the spread of the coronavirus.

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