[LibWhacker]

Looking it up, swine flu’s R0 is about 1.5.

[PIF]

R0=3.8 - 2019NCOV TO BE DETERMINED

R0=1.8 - Spanish flu killed 675,000 in the US ... 50,000,000-100,000,000 world wide.

R0=1.5 - Swine flu: It is estimated that 11–21% of the global population contracted the illness, and 151,000–579,000 died