How close are we to having COVID-19 under control? Will Louisville's public schools go back to normal in the fall? Will COVID-19 shots become an annual ritual? Dr. Jon Klein, vice dean of research at the University of Louisville School of Medicine, says that much of life as we knew it may return by the of the summer, but the next one-to-three months are critical. There could be a costly fourth surge of COVID-19 as social behavior loosens faster than vaccines take effect, Klein says. He joins the podcast to explain.