THE EFFECT OF HEMOPHILUS INFLUENZAE SUIS VACCINES ON SWINE INFLUENZA.
Either living or heat-killed H. influenzae suis vaccines, given intramuscularly to swine, elicit an immune response capable of modifying the course of a later swine influenza infection. The protection afforded is only partial and is in no way comparable to the complete immunity afforded by swine influenza virus vaccines.
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Department of Animal and Plant Pathology of The Rockefeller Institute for Medical Research, Princeton, N. J.