Contents

22 April 2016
Vol 352, Issue 6284

About The Cover

Cover image expansion

COVER Migrant workers such as this man, one of nearly 50 workers employed at a farm in Palin, Cambodia, near the border with Thailand, are at especially high risk of contracting malaria. Reaching them is one of many challenges facing an ambitious new effort to wipe out all malaria from the Greater Mekong subregion by 2030. See page 398.
Photo: Jeffrey Lau