In Japan, the voluntary vaccination rate is not known accurately. Although two doses of the measles and rubella vaccines have been part of the universal vaccine program since 2006, the… Click to show full abstract
In Japan, the voluntary vaccination rate is not known accurately. Although two doses of the measles and rubella vaccines have been part of the universal vaccine program since 2006, the varicella vaccine was added in October 2014 while the mumps vaccine still remains voluntary. The aim of this study was to evaluate trends in the live measles, rubella, varicella and mumps vaccination rates in Japan.
               
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