Tuberculosis (TB) kills 1.6 million people a year. Israeli startup Keheala has developed a “low-tech” system whereby Keheala sends SMS reminders to patients in Kenya to take their meds. The patient must respond with an SMS otherwise a Keheala mentor gets involved. Trials were 96% successful.

http://nocamels.com/2019/09/keheala-behavioral-science-texting-tuberculosis/