Jay Bhattacharya, a professor of medicine at Stanford University, wanted to conduct large-scale research to understand the prevalence of the novel coronavirus. Daniel Eichner, the president of Sports Medicine Research and Testing Laboratory, had the enormous number of testing kits necessary. Major League Baseball had a representative group of subjects to generate scientifically viable results.

So they teamed up—and the result will be the most thorough Covid-19 antibody study in the U.S.

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