RT Journal T1 RIo de janeiro JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1929 FD January 19 VO 92 IS 3 SP 245 OP 246 DO 10.1001/jama.1929.02700290055023 UL http://dx.doi.org/10.1001/jama.1929.02700290055023 AB New Studies on Yellow Fever  Drs. H. Aragão, Marques da Cunha, Julio Muniz, Margarito Torres, J. G. Lacorte, G. G. Villela and J. C. N. Penido have just published a series of papers on yellow fever. Aragão reports on the susceptibility of Macacus rhesus, M. cynomolgus, M. speciosus and Pseudocebus agarae to yellow fever. The first three classes are sensitive both to inoculations of human blood and to the bites of infected mosquitoes. Two Pseudocebus agarae monkeys were inoculated; one, given blood from a patient who had suffered with yellow fever for seventy-two hours, did not show any reaction; the other, injected with virus from the rhesus monkey, had fever for several days, after which it was killed for examination. The viscera did not show any suggestive changes. The African virus was used in these experiments. The lesions in the infected monkeys were no different from those that occur in