Infant Mortality in Houston (IMAGE) The University of Texas System Caption Within Houston, mortality rates for infants of black mothers varied eight-fold from 3.3 to 28.1 deaths per 1,000 in zip codes 77077 and 77026, respectively. Credit The University of Texas System Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.