The correct answer is immediate passive short-term immunity.
The tetanus immunoglobulin comprises of readymade antibodies and provides short-term passive immunity. The passive immunity signifies to the procedure of offering immunoglobulin antibodies to defend against the infection.
It provides instantaneous, however, short-lived safeguarding, that is, for many weeks to three or four months at maximum. Passive immunity is categorized as acquired or natural.
