31.   Health officials worry that a sense of complacency has set in, partly because of their progress in fighting the disease.

32.   Her major sponsor is a Canadian charity called Cancer Victors, which encourages sufferers to use alternative approaches to fight the disease.

33.   Hot summer temperatures and a large number of fishermen, he said, impose stressful conditions on the fish, which then cannot adequately fight the disease.

34.   I apologize to others who struggle with me in fighting this disease.

35.   His wife, Virginia, had a form of cancer at the same time Stewart was fighting the disease.

36.   I say their immune systems are much better than mine at fighting disease.

37.   If the key to their natural ability to fight the disease can be discovered, then scientists possibly could re-create that immunity in other people.

38.   Improved soil fertility, too, will promote healthier roses that can better fight diseases.

39.   In all of southern Sudan, Richer is running the only program to fight the disease, and she is able to save only a handful of lives.

40.   In later years, he became interested in what lessons sharks might hold in fighting human diseases like cancer.