Applying Silicon Valley smarts to age-old diseases

On the second floor of an infectious-disease research facility in this African capital, Dr. Joseph Kamgno, the country’s leading expert on parasitic roundworms, stood at his desk staring down at the black hard-shelled case that had just arrived from a bioengineering lab at the University of California-Berkeley.

The case contained what appeared to be three ordinary iPhones. But the California researchers believed these phones could do something extraordinary — help quell river blindness, the second-leading cause of preventable blindness in the world.

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