The biggest public health challenge is rebuilding health systems. In other words, if you look at cholera or maternal mortality or tuberculosis in Haiti, they're major problems in Haiti, but the biggest problem is rebuilding systems.
I'm afraid for all those who'll have the bread snatched from their mouths by these machines. What business has science and capitalism got, bringing all these new inventions into the works, before society has produced a generation educated up to using them!