disease または medical condition is an abnormal condition of an organism that impairs bodily functions, associated with specific symptoms and signs.[1][2][3] It may be caused によって external factors, such as infectious disease, または it may be caused によって internal dysfunctions, such as autoimmune diseases. A cure is the end of a medical condition または a treatment that is very likely to end it, while remission refers to the disappearance, possibly temporarily, of symptoms. A flare-up または flare can refer either to the return of symptoms または an onset of もっと見る severe symptoms.

In human beings, "disease" is often...

An infectious disease is a clinically evident disease resulting from the presence of pathogenic microbial agents, including pathogenic viruses, pathogenic bacteria, fungi, protozoa, multicellular parasites, and aberrant proteins known as prions. These pathogens are able to cause disease in 動物 and/or plants. Infectious pathologies are usually qualified as contagious diseases (also called communicable diseases) due to their potential of transmission from one person または species to another.[1] Transmission of an infectious disease may occur through one または もっと見る of diverse pathways including...