I learned from my 60-yr-old cousin who, like me, had Chickenpox as a kid, got the shingles vaccine a few years back. Last Summer, she started getting vertigo and throwing up. It got so bad, she had to have someone stay with her and was thinking she would need to go to assisted living. Finally, one of the doctors knew that the shingles vaccine presents the virus presenting as shingles, but will often go into the ear.