Summary of Research: A randomized, placebo-controlled phase 3 study in 18 countries evaluating the safety and efficacy of herpes zoster subunit vaccine for prevention of herpes zoster in adults over 50.
Primary Research: Lal H, Cunningham AL, Godeaux O, et al. Efficacy of an Adjuvanted Herpes Zoster Subunit Vaccine in Older Adults. N Engl J Med, 2015. 372:2087-2096