There are two shingles vaccines. Shingrix (RZV) is recommended over the older vaccine, because it is more than 90% more effective in preventing a shingles outbreak. The CDC recommends that you get Shingrix if you’re 50 or older. You would need two shots for Shingrix. One initially, with a follow up in six months. Zostavax
Shingrixe recuces your chance of getting shingles by more than 90%. Even if you still get shingles, the vaccine may help it be less painful.