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rubella

(Encyclopedia)rubella or German measles, acute infectious disease of children and young adults. It is caused by a filterable virus that is spread by droplet spray from the respiratory tract of an infected individua...

lymphoma, non-Hodgkin's

(Encyclopedia)lymphoma, non-Hodgkin's, any cancer of the lymphoid tissue (see lymphatic system) in which the Reed-Sternberg cells characteristic of Hodgkin's disease (the other category of lymphoma) are not present...

COVID-19

(Encyclopedia)COVID-19, contagious viral disease caused by severe acute respiratory syndrome coronavirus 2, or SARS-CoV-2, a coronavirus that is genetically related to SARS-CoV, which causes SARS. Symptoms generall...

iron lung

(Encyclopedia)iron lung, device used to maintain artificial respiration over an extended period of time. Before the successful vaccination program against poliomyelitis, it was used mostly in treatment of that dise...

hospital

(Encyclopedia)hospital, institution for the care of the sick, maintained by private endowment or public funds or both. General hospitals minister to all types of illness, while special hospitals are concerned with ...

herpes zoster

(Encyclopedia)herpes zoster, infection of a ganglion (nerve center) with severe pain and a blisterlike eruption in the area of the nerve distribution, a condition called shingles. The causative organism is varicell...

Gajdusek, Daniel Carleton

(Encyclopedia)Gajdusek, Daniel Carleton gīdˈəshĕkˌ [key], 1923–2008, American virologist, b. Yonkers, N.Y., grad. Univ. of Rochester; M.D. Harvard, 1945. He worked in the United States, Iran, Australia, and ...

Jelliffe, Smith Ely

(Encyclopedia)Jelliffe, Smith Ely jĕˈlĭf [key], 1866–1945, American neurologist and psychiatrist, b. New York City, M.D. Columbia, 1889. He was consultant at Manhattan State Hospital and at Kings Park State Ho...

bronchitis

(Encyclopedia)bronchitis brŏnkīˈtĭs [key], inflammation of the mucous membrane of the bronchial tubes. It can be caused by viral or bacterial infections or by allergic reactions to irritants such as tobacco smo...

pneumothorax

(Encyclopedia)pneumothorax no͞omōthôrˈăks [key], collapse of a lung with escape of air into the pleural cavity between the lung and the chest wall. The cause may be traumatic (e.g., gunshot or stab wound), spo...