Bit facts in Corona times...
Spanish flu 100 years ago took lives of between 50-100 million people who were mostly young and healthy. At that time there were about 1.7 billion inhabitants on earth.
Now we are almost 8 billion people and circa 2 million have died of Covid-19 till march 2021.
It means that in the comparison with Spanish flu 100 years ago Covid has caused death of half a million people...
So till February 2021 Covid-19 have shown a mortality rate of approximately 1-3 percent of confirmed cases. Spanish flu rated 10-20 percent and was also going on for couple of years.
Source: Wikipedia and other
