Identification of "Ryan Virus" as an amoeba of the genus Hartmannella.

  title={Identification of "Ryan Virus" as an amoeba of the genus Hartmannella.},
  author={John A. Armstrong and M{\'a}rcia Aparecida da Silva Pereira},
  journal={British medical journal},
  volume={1 5534},
A recent paper (Pereira, et al., 1966) reported the isolation in Britain of several strains of an antibiotic-resistant infective agent that caused unusual cytopathic effects when inoculated into cell cultures. The new agent was evidently recoverable from the respiratory tract in certain patients, mostly young children, with illnesses of varying severity but with fever and respiratory symptoms as common features. Primary isolations 

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J. Soga
7. Path., 48, 347. • 1966
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M., C. P. Li
Soc. exp. Biol. (N.Y.), 96, 484. Lapis, K., and Bernhard, W. (1965). Cancer Res., 25, 628. Pereira, M. S., Marsden, H. • 1957

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