Tu Youyou, an 84-year-old researcher at the China Academy of Traditional Chinese Medicine, was given the Nobel Prize in Medicine on Oct 5. She is the f{#blank#}1{#/blank#} Chinese citizen who has w{#blank#}2{#/blank#} a Nobel Prize in science. Tu d{#blank#}3{#/blank#} a new drug for malaria. The disease infects around 200 million people and kills about half a million people each year. In the late 1960s, Tu and her workmates joined a government p{#blank#}4{#/blank#} to find a new malaria drug. In 1971, after f{#blank#}5{#/blank#} more than 190 times, Tu f{#blank#}6{#/blank#} made an extract called qinghaosu that was effective a{#blank#}7{#/blank#} malaria.  It has s{#blank#}8{#/blank#} millions of lives. The discovery is also a gift to mankind from traditional Chinese medicine. It has greatly i{#blank#}9{#/blank#} human health and r{#blank#}10{#/blank#} suffering.