Yes, the coronavirus is real but no one knows how much it changed the fundamental outlook for the stock market. The intense preoccupation by the public with this pandemic is not entirely rational. We had between 291,000 and 646,000 deaths worldwide from influenza in 2017, https://www.cdc.gov/media/releases/2017/p1213-flu-death-estimate.html and most of us didn't hear of that at all.
Robert J. Shiller
Robert J. Shiller, a 2013 Nobel laureate in economics, is Professor of Economics at Yale University and the co-creator of the Case-Shiller Index of US house prices. He is the author of Irrational Exuberance, Phishing for Phools: The Economics of Manipulation and Deception (with George Akerlof), and Narrative Economics: How Stories Go Viral and Drive Major Economic Events.