The problem with flu isn't tha the vaccine itself isn't effective, it actually protects you from the strains it's designed to just fine, it's just that the infl

The problem with flu isn't tha the vaccine itself isn't effective, it actually protects you from the strains it's designed to just fine, it's just that the influenza virus is unstable and mutates, leading to new versions that you no longer are protected against. So yes, it depends on how stable COVID-19 is as mentioned below.