There are many parallels between the fictitious MEV-1 and COVID-19.
But MEV-1 is much more severe. More like the 1918 Flu.
In a flashback, a bulldozer razes palm trees while clearing a rainforest in China that disturbs the natural habitat of some bats. One bat finds shelter in a pig farm and drops an infected piece of banana, which is eaten by a pig. The pig is slaughtered and prepared by a chef in a Macau casino, who transmits the virus to Beth (Paltrow) in a handshake.