A screen shows the 2015 Nobel laureates for Physiology or Medicine including China's Tu Youyou, Japan's Satoshi Omura and Irish-born William Campbell (R to L) at the Karolinska Institute in Stockholm, Sweden, Oct. 5, 2015. China's Tu Youyou, Irish-born William Campbell and Japan's Satoshi Omura jointly won the 2015 Nobel Prize for Physiology or Medicine, the Nobel Assembly at Sweden's Karolinska Institute announced Monday. Tu won half of the prize "for her discoveries concerning a novel therapy against Malaria", while Campbell and Omura were jointly awarded the other half of the prize "for their discoveries concerning a novel therapy against infections caused by roundworm parasites," said the assembly. (Photo: Xinhua/Rob Schoenbaum)
