COVID-19 versus 1957 Asian Flu on S&P 500 Chart

COVID-19 is being compared to the 1957 Asian flu. Here is a brief timeline and the S&P 500 charts over the periods.

Sources:
pharmaceutical-technology.com/news/coronavirus-a-timeline-of-how-the-deadly-outbreak-evolved/
britannica.com/event/Asian-flu-of-1957
theprint.in/health/experts-fear-coronavirus-toll-could-match-1957-influenza-pandemic-that-killed-a-million/375377/