Attempts to Propagate the Virus of Poliomyelitis in Smaller Laboratory Animals

Abstract

fetus. Various studies'+-16 had indicated that in many instances prenatal animals Received for publication, June 19, 1942. This work was aided by a grant from the National Foundation for Infantile Paralysis, Inc. 1. Ztschr. f. Immunitatsforsch. u. exper. Therap. 2: 377, 1909. * Cultivation of the virus by Sabin and Olitsky (Proc. Soc. Exper. Biol. & Med. 34: 357, 1936) in nervous tissue from the human fetus, and the reported but unconfirmed cultivation of the virus in the chick embryo by Gildemeister (Deutsche med. Wchnschr. 59: 877, 1933) are not considered as controverting this statement. 2. J. Prev. Med. 4: 59, 1930. 3. Tr. Chicago Path. Soc. 13: 231, 1930. 4. J. Pediat. 16: 519, 1940. 5. In Infantile Paralysis, A Symposium Delivered at Vanderbilt University, April, 1941, New York, National Foundation for Infantile Paralysis, Inc., 1941, p. 35. 6. Pub. Health Rep. 54: 1719, 1939. 7. Pub. Health Rep. 54: 2303, 1939. 8. J. Exper. Med. 72: 407, 1940. 9. Proc. Soc. Exper. Biol. & Med. 46: 319, 1941.