I am verifying the answers generated by an automatic system to the following question: when was mumpsvax administered in 1960
Suggested answer: Sample vaccinations schedules discussed by the World Health Organization show a developed country using a schedule which extends over the first five years of a child's life and uses vaccines which cost over $700 including administration costs while a developing country uses a schedule providing vaccines in the first 9 months of life and costing only $25.
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