Background Immunization rates for children and adults are rising, but coverage levels have
not reached optimal goals. As a result, vaccine‐preventable diseases still occur. In an era of …

Introduction Maternal and neonatal mortality remains high in many low-and middle-income
countries (LMIC). Availability and use of mobile phones is increasing rapidly with 90% of …

Background Access to mobile phone technology has rapidly expanded in developing
countries. In Africa, mHealth is a relatively new concept and questions arise regarding …

Background Low-cost mobile devices, such as mobile phones, tablets, and personal digital
assistants, which can access voice and data services, have revolutionised access to …

Background: Mobile text messages are a widely recognized communication method in
societies, as the global penetration of the technology approaches 100% worldwide …

Background: Social media public health campaigns have the advantage of tailored
messaging at low cost and large reach, but little is known about what would determine their …

We evaluate a large-scale set of interventions to increase demand for immunization in
Haryana, India. The policies under consideration include the two most frequently discussed …

We propose strategies to estimate and make inference on key features of heterogeneous
effects in randomized experiments. These key features include best linear predictors of the …

Background Immunisation plays a major role in reducing childhood morbidity and mortality.
Getting children immunised against potentially fatal and debilitating vaccine‐preventable …

Background As mobile phone access continues to expand globally, opportunities exist to
leverage these technologies to support demand for immunisation services and improve …