There is a huge demand around the world to understand Covid-19. Those experiencing symptoms need to know if they’re infected, while those recovered need to know if they’re able to return to work.

The problem of developing technology that can address the crisis has already been solved. Genome amplification tests are available that measure the presence of the Covid-19 virus, SARS-CoV-2, over the course of the disease.

Antibody tests, also known as serology tests, reveal whether you’ve been infected, the stage of infection, whether you’ve recovered, and whether you’re likely immune to further infection.

What continues to be a problem is the availability of tests, on the one hand—and on the other hand, their cost.

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Originally published on Forbes (April 8, 2020)