herpes zoster of external genitalia

例句：

1. 1. The patient had a painful rash on his genitals that was caused by herpes zoster.
   患者生殖器上出现了一个由生殖器疱疹引起的疼痛的皮疹。
2. 2. The doctor prescribed an antiviral medication to treat the herpes zoster infection.
   医生开了抗病毒药物来治疗生殖器疱疹感染。
3. 3. Herpes zoster can be prevented by getting vaccinated against the virus.
   通过接种疫苗可以预防生殖器疱疹。