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Morbidity (from Latin morbidus 'sick, unhealthy') is a diseased state, disability, or poor health due to any cause. [17] The term may refer to the existence of any form of disease, or to the degree that the health condition affects the patient. Among severely ill patients, the level of morbidity is often measured by ICU scoring systems.
Infectious disease – illness or disorder when pathogenic (disease-causing) microorganisms, such as bacteria, viruses, fungi, or parasites invade and multiply within the body of a host organism and release toxins, causing various clinical symptoms which can potentially lead to severe health complications or even death. Infectious diseases can ...
Doss porphyria/ALA dehydratase deficiency/Plumboporphyria (the disease is known by multiple names) DPT Diphtheria, pertussis, tetanus: DRSP disease Drug-resistant Streptococcus pneumoniae disease DS Down syndrome: DSPS Delayed sleep phase syndrome: DTs Delirium tremens: DVD Developmental verbal dyspraxia: DVT Deep vein thrombosis
Chin J. B., ed. Control of Communicable Diseases Manual. 17th ed. APHA [American Public Health Association] Press; 2000. ISBN 978-0-87553-189-2; Red Book: 2009 Report of the Committee on Infectious Diseases. 2009. American Academy of Pediatrics. 28th ed. ISBN 978-1-58110-306-9; Centers for Disease Control and Prevention. CDC Works 24/7 ...
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.”
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.
Infectious diseases are sometimes called contagious diseases when they are easily transmitted by contact with an ill person or their secretions (e.g., influenza). Thus, a contagious disease is a subset of infectious disease that is especially infective or easily transmitted. All contagious diseases are infectious, but not vice versa.
There have been various major infectious diseases with high prevalence worldwide, but they are currently not listed in the above table as epidemics/pandemics due to the lack of definite data, such as time span and death toll. An Ethiopian child with malaria, a disease with an annual death rate of 619,000 as of 2021. [18]