1921
Volume s1-31, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
USD

Abstract

Summary

  • 1.  Propagation of the virus of Japanese encephalitis in was demonstrated by parenteral injection and serial passage.
  • 2.  The emulsified whole bodies of the mosquitoes gave LD titers of 6.5–8.4 when injected intracerebrally into mice.
  • 3.  Virus could be demonstrated in appreciable amount 24 hours after injection into the mosquito, and was present in relatively high concentration after 48 hours. Close to the maximum titer appeared to be reached on the third or fourth day and presumably there was no great change thereafter for as long as 17 days.
  • 4.  Mosquitoes which were injected parenterally with the virus transmitted it to suckling mice by bite after as little as 48 hours of incubation at 30°C.

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/content/journals/10.4269/ajtmh.1951.s1-31.448
1951-07-01
2017-11-21
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