A health worker takes a drop of blood for the Covid-19 antibody test in Torrance, California, in May 2020. Scientists are searching for a test to measure immunity against the virus.
Mandatory Credit: Valerie Macon/AFP/Getty Images
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How protected are we against Covid-19? Scientists search for a test to measure immunity
In 2010, doctors told Ben Sobieck, now 37, that his kidneys were inexplicably failing. Shortly after, he had a kidney transplant and started on the lifelong medications that weaken his immune system to keep his body from rejecting the donor organ. They never figured out what caused Sobieck's kidney failure. But a decade later, he confronted another threat to his health: the Covid-19 pandemic.
