Dr. Phounphenjhack Kongxay, Lao's Deputy Manager of the national immunization programme and WHO's Rajesh Bhaskar check students’ fingers as they head home from school in Paksong District high on the Bolaven Plateau in November 2011. Young people are marked with purple ink on their left pinky fingers following immunisation so that monitors can quickly tell if they have been reached by the campaign.
CREDIT: The Measles Initiative/C. McNab/2011
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