Business lessons from past pandemics: Be ready for a second wave | Article | Compliance Week
Indeed, pandemics are actually known to occur in waves. Infections spike, peak, and taper off, only to rebound and repeat the process later. This was true in 1918-1919; in 1957-58 with the H2N2 virus; and in 2009-2010 with the swine flu, according to the Center for Disease Control and Prevention (CDC).
Source: Business lessons from past pandemics: Be ready for a second wave | Article | Compliance Week