the resulting beta-propiolactone-inactivated vaccines , when prepared as lyophilized vaccines with alpo ( 4 ) adjuvant diluents , were low in protein nitrogen ( 0.01 mg/ml ) , and three of four lots passed the national institutes of health potency test when tested as equivalent to a standard 10 % suspension of duck embryo or mouse brain tissue vaccine .
C0042212
inactivated vaccines
C0042210
vaccine