The period of 1 day of transmissibility before symptoms is the exact same with influenza virus. Influenza, very famously, was not transmissible enough to cause

The period of 1 day of transmissibility before symptoms is the exact same with influenza virus. Influenza, very famously, was not transmissible enough to cause a pandemic at all, ever, and totally does not continuously circulate throughout the entire world to this day. Oh wait.