[TMWNN]

Flu shots have been around for years, and by now people understand that the effectiveness greatly varies each year, but never being anywhere close to 100%.

COVID19 vaccines, on the other hand, were (contrary to today's frantic efforts to pretend otherwise) always sold as being a) >90% protection and b) ending the pandemic once enough people were vaccinated.

[digsy]

They were sold as >90% effective when introduced.

But it was made abundantly clear that the original vaccines were less effective against newer strains.