COVID-19 | Corona Virus: Treatment, Prognosis, Precautions This is one of the best overall explanation about Covid-19 for the nerds here at Elitetrader.com If you're like me and have ever had university level classes in virology, immunology, bio-chemistry or bacteriology...you'll wish your college professor had explained it so easily. In fact, this guy looks like some of my professors teaching assistants.