[Georgia Girl 2]

Not true. Here in the US the Spanish flu was 11%-16% mortality. Some reports say 10%-20%.

[Black Agnes]

https://wwwnc.cdc.gov/eid/article/12/1/05-0979_article

“Case-fatality rates were >2.5%, compared to <0.1% in other influenza pandemics (3,4).”

https://en.wikipedia.org/wiki/List_of_human_disease_case_fatality_rates