Hoare states that in this type of specific arthritis the contagium is probably carried by the blood.
He then sought to determine how the contagium maintained its vitality.
A freezing temperature ordinarily destroys the contagium of yellow fever.
The moment the contents of the tube cease to be virulent, it is a sign that the contagium is dead.
Richardson believes that the contagium was attached to the thatch, which could not be thoroughly disinfected.
In his recent discourse upon the plague, he asks and answers the question, 'What is the contagium?'
There was but one way open to him to test the activity of the contagium, and that was the inoculation with it of living animals.
Little has been said either of the nature of the contagium or of the conditions that modify its activity.
Professor Virchow seems to deprecate the 'obstinacy' with which this notion of a contagium vivum emerged.
Thus the theory of contagium vivum, for which Henle contended as early as 1821, was not forgotten.
contagium con·ta·gium (kən-tā'jəm)
n. pl. con·ta·gia (-jə)
The direct cause, such as a bacterium or virus, of a communicable disease. Also called contagion.