what is disease?,disease is any abnormality in the functions of the tissues,organs or systems of the animal body...it's also the condition whereby there is deviation from the normal state of health of an animals... disease is a condition that show up in both animals and the plants this condition decrease their market qualities and quantity,the condition show some visible signs or symptoms,in this state the animals and the plants malfunctions....types of dieseses...contagious disease.non contagious and zoolic dieseses.now to the question...VIRUS DISEASES included foot and mouth disease,newcastle disease and so on...BACTERIA DISEASES included anthrax,brucellosis disease,tuberculosis...,FUNGI DISEASE included aspergilosis,ringworm and so on...,PROTOZOA DISEASES included trypanosomiasis,red water disease and so on...

Syphilis and gonorrhoea are common sexually transmitted diseases caused by bacteria. Tuberculosis is also caused by bacteria that most often affect the lungs but smallpox, polio and measles are caused by viruses. Sleeping sickness on the other hand is caused by protozoa.