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The opposite of progressive disease is stable disease or static disease: a medical condition that exists, but does not get better or worse. Refractory disease A refractory disease is a disease that resists treatment, especially an individual case that resists treatment more than is normal for the specific disease in question. Subclinical disease
A systemic disease is one that affects a number of organs and tissues, or affects the body as a whole. [1] It differs from a localized disease , which is a disease affecting only part of the body (e.g., a mouth ulcer ).
A chronic condition (also known as chronic disease or chronic illness) is a health condition or disease that is persistent or otherwise long-lasting in its effects or a disease that comes with time. The term chronic is often applied when the course of the disease lasts for more than three months.
“The body aches related to an infection such as pharyngitis (sore throat) or flu are related to the immune system’s response to the infection,” says Stephen Parodi, M.D., infectious disease ...
An infectious disease, also known as a transmissible disease or communicable disease, is an illness resulting from an infection. Infections can be caused by a wide range of pathogens, most prominently bacteria and viruses. [2] Hosts can fight infections using their immune systems.
In the pre-pathogenic period, the disease originates, but the patient does not yet present clinical symptoms or changes in his/her cells, tissues, or organs. This phase is defined by the host conditions, the disease agent (such as microorganisms and pathogens), and the environment. [citation needed]
A 2022 statement from the World Health Organization (WHO), defines the term this way: “Disease X is [used] to indicate an unknown pathogen that could cause a serious international epidemic.”
Degenerative disease is the result of a continuous process based on degenerative cell changes, affecting tissues or organs, which will increasingly deteriorate over time. [ 1 ] In neurodegenerative diseases , cells of the central nervous system stop working or die via neurodegeneration .