Immunology is a wide branch of medical science that deals with the characteristics, components, features and diseases related to immune system for all living organisms. It is the study of chemical, physical and physiological characteristics of cells and organs of the immune system. It provides information about various mechanisms, which are used by an organism body to fight against the foreign substances. This area of science has been divided into several sub components that deliver data specifically, one of which includes Clinical immunology. As the term infers, it is a part of immunological science that precisely provides information about the diseases and disorders of immune system. It also focuses on the health-related issues where immune system plays a major role. Various reviews on the study of immunological diseases are updated on various journals like Clinical and cellular Immunology, Immunological Biomolecules, etc. These journals also accept research articles for publication that aid in knowledge to the scientific world. The information contained in these articles greatly help the doctors to get better ways for diagnosis and treatment. Journal Article is sometimes called a Scientific Article, a Peer-Reviewed Article, or a Scholarly Research Article. Together, journal articles in a particular field are often referred to as The Literature. Journal articles are most often Primary Research Articles. However, they can also be Review Articles. These types of articles have different aims and requirements. Sometimes, an article describes a new tool or method. Because articles in scientific journals are specific, meticulously cited and peer-reviewed, journal databases are the best place to look for information on previous research on your species. Without a background in the field, journal articles may be hard to understand - however, you do not need to understand an entire article to be able to get valuable information from it.