the causative agent of a contagious or infectious disease, as a virus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use contagium in a sentence
Thus the theory of contagium vivum, for which Henle contended as early as 1821, was not forgotten.An Epitome of the History of Medicine | Roswell Park
Hoare states that in this type of specific arthritis the contagium is probably carried by the blood.Lameness of the Horse | John Victor Lacroix
Richardson believes that the contagium was attached to the thatch, which could not be thoroughly disinfected.
A freezing temperature ordinarily destroys the contagium of yellow fever.
He also made some remarkable experiments on the permanence of the contagium in the form of spores.Fragments of science, V. 1-2 | John Tyndall
British Dictionary definitions for contagium
pathol the specific virus or other direct cause of any infectious disease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012