| Scrapie is a chronic disease of sheep which is transmitted by a filterable particle that is resistant to heat and formalin fixation. |
| The chronic disease is usually induced by gastro-enteritis and can last for a couple of months or even years. |
| Although rheumatoid arthritis is often a chronic disease, it tends to vary in severity and may even come and go. |
| Survival varies widely depending upon age, chronic disease burden, and nonpulmonary organ dysfunctions such as shock and hepatic failure. |
| This wholefoods, high-fiber diet kept them remarkably free of chronic disease. |
| Diabetes mellitus is a chronic disease that has reached epidemic proportions. |
