Immunoglobulin to Ebola fever has been for the first time prepared fro
m hyperimmune equine blood sera by alcohol fractionation after Cohn. P
reclinical study of the physicochemical and immunobiological propertie
s of immunoglobulin showed that it protects up to 100% Papio. hamadrya
s infected intramuscularly at doses of 110 to 29 LD(50) Ebola virus. S
cheme for the use of Ebola immunoglobulin has been experimentally vali
dated.