2.6 Trillion Stimulis Bill created 01/2019 a full year earlier.

Can someone please explain why the stimulis package for Covid-19 was introduced to congress back in January 2019? A full year before any mention of the virus.

https://youtu.be/D-chBV7A0n8

SOURCES:
Associated Press
whitehouse.com
World Health Organization (WHO)
congress.gov
H.R. 748 Bill