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Most are non-infectious, although there are some non-communicable infectious diseases, such as parasitic diseases in which the parasite's life cycle does not include direct host-to-host transmission. The four main NCDs that are the leading causes of death globally are cardiovascular disease, cancer, chronic respiratory diseases, and diabetes.
Genes have been identified that predispose disease and infection with nonpathogenic bacteria by a small number of persons. [3] Nonpathogenic Escherichia coli strains normally found in the gastrointestinal tract have the ability to stimulate the immune response in humans, though further studies are needed to determine clinical applications.
List of aquarium diseases; List of dog diseases; List of feline diseases; List of diseases of the honey bee; List of diseases spread by invertebrates; Poultry disease; Lists of zoonotic diseases, infectious diseases that have jumped from an animal to a human
For example, the human body louse transmits the bacterium Rickettsia prowazekii which causes epidemic typhus. Although invertebrate-transmitted diseases pose a particular threat on the continents of Africa, Asia and South America, there is one way of controlling invertebrate-borne diseases, which is by controlling the invertebrate vector.
Contagious disease, a subset of infectious diseases. Cryptogenic disease, a disease whose cause is currently unknown. Disseminated disease, a disease that is spread throughout the body. Environmental disease; Lifestyle disease, a disease caused largely by lifestyle choices. Localized disease, a disease affecting one body part or area.
Articles about diseases and disorders which affect animals also. Pages in this category should be moved to subcategories where applicable. This category may require frequent maintenance to avoid becoming too large.
This process uses a non-germ-free mother which is sacrificed and sterilized before the pups' birth. After the cesarean birth, the pups must then be transferred to a sterile incubator with a germ-free mother for feeding and growth. [9] [10] These methods are only required for the generation of a germ-free mouse line. Once a line is generated ...
Not all infectious agents cause disease in all hosts. For example, less than 5% of individuals infected with polio develop disease. [23] On the other hand, some infectious agents are highly virulent. The prion causing mad cow disease and Creutzfeldt–Jakob disease invariably kills all animals and people that are infected. [24]