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50 Percent Embryo Infective Dose per Dose

Known as: 50% Embryo Infective Dose per Dose, 50% embryo infective dose/dose, [EID_50]/{dose} 
A potency unit for measuring infectious activity of a biologic product or an infectious agent preparation equal to the potency at which one dose of… 
National Institutes of Health

Papers overview

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1977
1977
Live freeze-dried influenza A/New Jersey/76 vaccine prepared from the "cold-adapted variant" of NIB-3 strain. Three groups of… 
1977
1977
The NIB-3 strain (a recombinant of influenza A/New Jersey/76 and X-31 strains) was further attenuated by nine egg passages at 28…