Of course it matters - if you had the second vaccination recently you should wait till around 5 or 6 months to get the booster, but if the booster makes a quali

Of course it matters - if you had the second vaccination recently you should wait till around 5 or 6 months to get the booster, but if the booster makes a qualitative difference then you should get it right away. If the booster fades after a few months then that's important to know as well.