1. By means of a single large dose of poliomyelitis virus, distributed at a number of intradermal sites, active immunity has been produced in Macacus rhesus monkeys, as shown by skin neutralization and intracisternal tests.
2. In the small series (four animals) of monkeys so treated, neither abortive nor paralytic signs of experimental poliomyelitis appeared.
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Copyright, 1930, by The Rockefeller Institute for Medical Research New York
1930
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