When you combine sophisticated analyses with simple, low-tech solutions, you have appropriate technology — the best tool for the job, that fits the local resources and culture, and maximizes the positive while minimizing the pain. And appropriate technology will change the world.
Like when doctors attack the problem of hospital-borne infection with a Simple Paper Checklist. Or when researchers filter cholera pathogens from water using old saris. In the 19th century, when Ignaz Semmelweiss first prevented childbed fever with handwashing, he was using the same approach.
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