... digestive problems, and death by age 35, on average. Early diagnosis and treatment may improve the growth of babies and children with CF. *The symbols < and > denote “less than” and “greater ... more doses of diphtheria and tetanus toxoids and pertussis vaccine (DTP), three or more doses of poliovirus vaccine, one or more doses of measles containing vaccine, three or more doses of Haemophilus ... 25,000). Another form of sickle cell disease, in which the child inherits one sickle cell gene and one gene for another abnormal type of hemoglo-bin. Hb S/C tends to be milder than Hb SS; therefore,...