Both meanings being with the letter D just like the Greek letter, which should help you remember them: 1  Difference is the most common meaning of the uppercase delta. 2  It is simply the difference or change in a certain quantity.
Trypanosomiasis This is a protozoan disease of animals and humans caused by parasites of the genus Trypanosoma, which are found in blood plasma, various body tissues and fluids. Theileriosis (East cost fever) â¢ East coast fever is a sub acute haemoprotozoan disease of cattle caused by Theileria parva. Theileriosis is characterized by fever, enlarged lymph nodes, dyspnea and death. In chronic cases loss of condition, emaciation, diarrhea, blindness, etc. can be seen.
Leprosy Causes. Leprosy is an acquired infectious disease that can affect individuals of all ages. It is caused by the acid-fast, rod-shaped bacteria Mycobacterium leprae, which was discovered in 1873 by G.A.Hansen.1  Because the bacterium multiplies very slowly, the signs and symptoms of leprosy may not develop until much later after exposure to M. leprae (ranging from several weeks to 20 years or more).t is caused by the acid-fast, rod-shaped bacteria Mycobacterium leprae, which was discovered in 1873 by G.A. Hansen. 1  Because the bacterium multiplies very slowly, the signs and symptoms of leprosy may not develop until much later after exposure to M. leprae (ranging from several weeks to 20 years or more).