Forbes reports:

In updated guidance posted on its website over the weekend, the U.S. Centers for Disease Control and Prevention acknowledged an inability to accurately determine if individuals had been infected with Covid-19 via antibody tests; if the test is used in a population where prevalence is low, it’s possible that “less than half of those testing positive will truly have antibodies.”

So… The error rate on the reported infection rates is staggeringly high. Even if The test shows that you have the virus, you probably don’t.