Contract implementation
A nurse prepares to administer a measles vaccination to eight-month-old Polu Aleni, seated on his grandmother's lap in Leauvaa Village, in Samoa, the Pacific region, in December 2019. A nurse prepares to administer a measles vaccination to eight-month-old Polu Aleni, seated on his grandmother's lap in Leauvaa Village, in Samoa, the Pacific region…