Columbia subject headings:
Older people--Health and hygiene--United States.
Shingles (Disease)--Diagnosis--United States.
Shingles (Disease)--Treatment--United States.
Harvard subject headings:
Older people--Health and hygiene--United States.
Shingles (Disease)--Diagnosis--United States.
Shingles (Disease)--Treatment--United States.
Princeton subject headings: