De la Rosa examines a rash on the foot of a 5-year-old girl named Meliza. Though he believed it was likely a sign of an allergic reaction, the underlying bruising could also signal serious infection or leukemia, he worried. Before he could get the test results he needed, the family was gone.

De la Rosa examines a rash on the foot of a 5-year-old girl named Meliza. Though he believed it was likely a sign of an allergic reaction, the underlying bruising could also signal serious infection or leukemia, he worried. Before he could get the test results he needed, the family was gon