Abstract
Summary
Baboons inoculated intranasally with influenza virus A2/Phila. 101/68, a Hong Kong strain, excreted virus for as long as 25 days. Infection was associated with seroconversion and transmission to uninoculated control animals. The control animals also excreted virus and showed seroconversion. Treatment of inoculated baboons with poly I.C. delays or suppresses antibody formation and prevents it in uninoculated contact animals. In neither case is virus excretion consistently prevented.
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