»Pertussis Immune Globulin conforms to the regulations of the FDAconcerning biologics (see
Biologics á1041ñ).It is a sterile,nonpyrogenic solution of globulins derived from the blood plasma of adult human donors who have been immunized with pertussis vaccine such that each 1.25mLcontains not less than the amount of immune globulin to be equivalent to 25mLof human hyperimmune serum.It may contain 0.3
Mglycine as a stabilizing agent,and it contains a suitable preservative.