1921
Volume s1-27, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Summary

  • 1.  SN 8557, a 2-[3-(decahydro-2-naphthyl)propyl]-3-hydroxy-1,4-naphthoquinone, in doses of 150 mg./Kg.-day for 5, 10 or 15 days cured 61 of 110 canaries with various types of infections. Administration of the drug for 15 days cured 28 of 36 birds (78 per cent) including some with latent sporozoite induced infections.
  • 2.  Acute infections of the exclusively erythrocytic strain 3H2-1 are more susceptible to cure than the 3C strain in which both erythrocytic and exoerythrocytic development occur. In latent infections, susceptibility to cure appears to be related to the duration of latency as well as to the strain.
  • 3.  A schedule of short term treatment (4 to 5 days) begun the day of inoculation (0.5 × 10 erythrocytic parasites intravenously) with strain 3H2-1 is a fair indicator for curative effect in latent infections, whether blood or sporozoite induced, or of a more virulent strain.
  • 4.  The duration of an efficient immunity to in canaries is less than 5 months following cure.

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/content/journals/10.4269/ajtmh.1947.s1-27.147
1947-03-01
2017-09-22
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