In fact, one of the few effective vaccines against any herpes strain -- the chickenpox/shingles (herpes zoster) shot -- was developed from live virus back in the 1960s.

• 事实上，少数几种针对任一疱疹株有效的疫苗（水痘/带状疱疹疫苗）是十九世纪六十年代由活病毒衍化而来。