Low-Temperature Thresholds of Reproduction of Some Group A Arboviruses in Tissue Culture
ARMY MEDICAL RESEARCH INST OF INFECTIOUS DISEASES FORT DETRICK MD
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The research determines the lower reproduction thresholds of Group A Arboviruses in tissue culture prepared from chicken embryo fibroblasts. Also studied is the effect of superthreshold temperatures on the yield of these viruses. For viruses whose area includes part of the temperate zone, the lower temperature threshold of reproduction is lower than for viruses distributed in the equatorial, subequatorial and tropical zones. By raising the incubation temperature by 1 degree, the yield of viruses was increased.