VaccineCodeType

<xs:simpleType name="VaccineCodeType">
  <xs:restriction base="xs:string">
    <xs:enumeration value="Diphteria"/>
    <xs:enumeration value="HepatitisA"/>
    <xs:enumeration value="HepatitisB"/>
    <xs:enumeration value="Malaria"/>
    <xs:enumeration value="MeaslesMumpsRubella"/>
    <xs:enumeration value="Polio"/>
    <xs:enumeration value="Rabies"/>
    <xs:enumeration value="Tetanus"/>
    <xs:enumeration value="Typhoid"/>
    <xs:enumeration value="YellowFever"/>
  </xs:restriction>
</xs:simpleType>