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Effect of temperature and relative humidity on variola virus in crusts
Bulletin of the World Health Organization
|January 1, 1976
Abstract:
The viability of variola virus in crusts under different conditions of temperature and relative humidity was studied for 16 weeks. At the ambient temperature of 25.8-26.4 degrees C and 85-90% relative humidity, the virus survived only 8 weeks but at lower temperatures and relative humidities the survival time was considerably prolonged.