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Updated: Jun 19, 2026

Growth, Purification, and Titration of Oncolytic Herpes Simplex Virus
Published on: May 13, 2021
EFFECT OF REPEATED FREEZING (-185 degrees C.) AND THAWING ON COLON BACILLI, VIRUS III, VACCINE VIRUS, HERPES VIRUS,
1Hospital of The Rockefeller Institute for Medical Research.
Abstract:
Colon bacilli, Virus III, vaccine virus, herpes virus, bacteriophage, complement, and trypsin are either killed or inactivated by repeated freezing (-185 degrees C.) and thawing. As might be expected, some of the agents are more resistant than others. Hence it may be concluded that destruction or inactivation of an active agent by repeated freezing (-185 degrees C.) and thawing is not proof that it was possessed of life.
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