FIELD: veterinary virology. SUBSTANCE: vaccine is mixed with oily adjuvant, chloroform or carbon tetrachloride added at amount 50-70% of volume, shaken thoroughly, centrifuged and supernatant is obtained. The latter is examined in building complement reaction with the strain-specific sera obtained on 75-140 S-component. EFFECT: improved method of assay.
Authors
Dates
1997-06-27—Published
1994-08-26—Filed