Will You Need a Vaccine Booster Shot Every Year for the Rest of Your Life?

It seems likely, just as we get flu shots every year or boosters to many other popular immunizations such as tetanus. I think it's a fair assumption that, like the flu, COVID19 will mutate (as we've already seen) and booster shots reformulated to combat the new variants will be needed as well as to merely "refresh" immunity as described in this article.