Inclusion Criteria:

• Age between 18 and 90 years.
• Signed a written informed consent prior to initiation of any study-related procedures.
• No known primary immunization history with TT/dT or >10 years have passed since the last dose of tetanus containing vaccine was received. Subjects with unknown or uncertain previous vaccination histories are considered to have no previous tetanus and toxoid doses. Subjects who have had military service since 1941 will be considered to have had 1 dose of tetanus vaccine.
• Subjects must have documented tetanus antibody levels that are non-protective levels (< 0.15 IU/ml).
• Subjects must be free of any presenting wound or wound infection

Exclusion Criteria:

• History or suspicion of significant allergic reaction to intravenous immune globulin, and or blood products
• A history of selective IgA deficiency (serum level <5.0 mg/dL) and known antibodies to IgA
• Congestive heart failure (New York Association stage greater than Class II)
• Conditions whose symptoms and effects could alter protein catabolism and/or IgG utilization (e.g. protein-losing enteropathies, nephrotic syndrome)
• Women of child bearing potential who do not practice adequate contraception (i.e. chemical or mechanical methods) and pregnant or lactating females
• Subjects who have severe thrombocytopenia or any coagulation disorder that would contraindicate intramuscular injections
• TIG therapy within the previous six months
• Investigational drug therapy within the previous three months
• History of Thromboembolism