The protective titre of antitoxin to diphtheria following vaccination is
Active immunization by vaccination with diphtheria toxoid is the key in preventing diphtheria. . Serum antitoxin concentration of 0.01 IU/mL is usually accepted as the minimum protective level. 0.01 IU/mL is considered to provide basic protection and 0.1 IU/ml is considered to provide complete or total protection.
0.01 IU/ml
0.05 IU/ml
0.1 IU/ml
0.5 IU/ml
Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli)