Back in the spring, Long Island Rail Road employee Ken Finegan and other Ronkonkoma Rail Yard workers were infected by the coronavirus -- before full precautions were in place to prevent the spread of the disease. Episode 36 of “Life Under Coronavirus” looks at how hard COVID-19 is to trace and how quickly it can spread without strict safeguards, a warning for coming months.“I'll tell you the truth, being this sick, this is no joke,” says Finegan. “This is the real deal. I've never been this sick before in my life.”