1.   The concern comes after a reported increase in deaths of diabetic patients, most relying on genetically engineered human insulin.

2.   The recent introduction of genetically engineered insulin has lead to some problems for diabetics who have changed from animal-derived insulin.

3.   They also amended their agreement that allows Lilly to make and sell genetically engineered human insulin.

4.   The insulin produced in the Soviet Union was made from animal hormones, whereas Western companies produce genetically engineered human insulin.