Nobel prize 2015 for medicine goes to Japan, China & Ireland scientists

Three scientists from Japan, China and Ireland who discovered potent new drugs against parasitic diseases such as malaria and elephantiasis have won the Nobel Prize for Medicine. The three winners are William Campbell, Satoshi Omura and Tu Youyou. Drs Campbell and Omura were honoured for their discovery of avermectin, a drug that kills the parasitic worms responsible for river blindness and lymphatic filariasis. Dr Tu discovered artemisinin, a drug that helps kill the parasite that causes malaria.