The Journal of Experimental Medicine - Volume 74, issue 3

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Electronic ISSN
1540-9538
Print ISSN
0022-1007

Abstract

A study has been made of the comparative virulence of several strains of vaccine virus for a number of hosts, and wide variation in animal susceptibility has been demonstrated. The results obtained in experiments with a chick-embryo-adapted strain are interpreted as indicating that the particles

Journal: The Journal of Experimental Medicine, vol. 74, no. 3, 1941