The difference between the mortality from flu and Covid is that with Covid the deaths are predominantly in the elderly and those with comorbidities whilst with the flu the younger age group are just as likely as the elderly to catch flu and have serious disease.
In Australia the ABS figures show 91% of those dying of covid have comorbidities with the average being 3 other conditions. Also until the end of January this year only 25 people under 40 have died during all the pandemic until then.
With flu we have already had 4 healthy under 5s die this year.
And here is an early breakdown of cases from New York.
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And note that these figures have later been adjusted down for deaths in healthy people. But even so only 40 people out of 6839 deaths were in healthy people under 44.
And as f or long covid the percentage of people wit severe symptoms of long covid is very low.
PS-this statement of yours is incorrect.
"Masks aren’t being stopped because of the health advice,"
The cessation of the mask mandate in airports was on the advice of the Chief Heath officer of the Commonwealth.