<p>Edwin Asturias of Children's Hospital Colorado in the U.S. will test a mobile phone short message service (SMS) system that will provide messaging texts to parents of infants in Guatemala in an effort to improve timely immunizations, increase vaccine acceptance, and provide a tool for reporting of side effects.</p>


Edwin Asturias of Children's Hospital Colorado in the U.S. will test a mobile phone short message service (SMS) system that will provide messaging texts to parents of infants in Guatemala in an effort to improve timely immunizations, increase vaccine acceptance, and provide a tool for reporting of side effects.