Coronavirus testing has made Reditus Laboratories one of the fastest-growing employers in central Illinois, and the man behind the company's success says it's about more than good timing.In the first of a two-part series on the Reditus’ sudden rise, that CEO Aaron Rossi has a unique blend of business interests that go beyond the biomedical lab. There's orthotics, there's branding, and soon there may even be cannabis growing in his future.