The volunteers of Group XX arrived in Thailand in 1967 and served from 1967 to 1969. Thai XX consisted of 35 volunteers who served in the Rural Health program area.
Note:
The biographical booklets for Thai XX and XXI were combined in one booklet. The bio entries for Thai XX (Rural Health) volunteers are on pages 1 - 11. Entries for Thai XXI (Malaria Eradication) volunteers are on pages 12 -19.