March 2011 โ A label change was required by the FDA to include data supporting use for individuals from the ages of 50-59.
Reference:
Center for Biologics Evaluation and Research. โApproved Products โ Zostavax.โ Internet Archive Wayback Machine, Center for Biologics Evaluation and Research, wayback.archive-it.org/7993/20170722150959/https:/www.fda.gov/BiologicsBloodVaccines/Vaccines/ApprovedProducts/ucm136941.htm.