The purpose of this study is to obtain safety and immunogenicity data for the refrigerator-stable formulation of ZOSTAVAX(R) in taiwanese adults.

Inclusion Criteria:

• Subject Is Older Than 50 Years Of Age On Day Of Signing Informed Consent

• All Females Must Be Postmenopausal Or Have A Negative Serum Or Urine Pregnancy Test

  • Postmenopausal Is Defined As 6 Months Of Spontaneous Amenorrhea With Serum Follicle Stimulating Hormone (Fsh) Levels In The Postmenopausal Range As Determined By The Laboratory, Or 12 Months Of Spontaneous Amenorrhea

• A Subject Who Is Of Reproductive Potential Must Agree To Remain Abstinent Or Use (Or Have Her Partner Use) 2 Acceptable Methods Of Birth Control For Three Months After Vaccination

  • Acceptable Methods Of Birth Control Are: Intrauterine Device, Diaphragm With Spermicide, Contraceptive Sponge, Oral Contraceptive Pills, Condom, Tubal Ligation, And Vasectomy

• Subject Must Sign Informed Consent Prior To Any Study Procedure

• Subject Must Be afebrile (<38.3 °C Oral) On Day Of Vaccination

• Any Underlying Chronic Illness Must Be In Stable Condition