Elizabeth Pisani — American Scientist

Elizabeth Pisani is the director of Ternyata Ltd., a public health consultancy based in London, UK. She is formerly a journalist and currently an epidemiologist best known for her work on HIV/AIDS, in particular for her controversial book The Wisdom of Whores: Bureaucrats, Brothels and the Business of AIDS, and her TED Talk "Sex, drugs, and HIV - let's get rational" Her work explores the interaction between science, politics and culture, and has most recently focused on Indonesia... (wikipedia)

I don't get how it's okay to keep someone alive once they're sick - but not okay to stop them getting sick. I just don't get that.
I think if we can prevent a fatal disease, we should.