Abstract
Szrnanzarzi. The Lansing strain of poliomyelitis virus has been demonstrated in the blood and in the spleen of mice % hr following the intraperitoneal inoculation of the virus. It has been demonstrated in the blood for 7 hr and in the spleen for 12 hr following intraperitoneal inoculation but not later. After intracerebral inoculation it has been demonstrated in the blood at intervals as long as 2% hr but in the spleen only at 1% hr following inoculation. The virus was not demonstrated in the spleens or blood of 12 mice when paralysis had developed following the intracerebral inoculation of the virus.
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