Über Hemmungsstoffe gegen Grippevirus im Hühnerei und über Grippeimmunität der Nachkommen grippeimmunisierter Eltern

Immunological Reactions in Viral Diseases

“…A strain of swine influenza virus isolated in 1939 was found on the basis of the hemagglutination-inhibition test to resemble some members of the human A' group (151) . Although normal egg yolk does not possess any hemagglu tination-inhibiting capacity, the yolks of eggs from influenza-immune chick ens were found to demonstrate considerable inhibitory power (152) .…”