If a person is infected with some deadly microbes to which quick immune response is required, we need to injecti) Preformed antibodiesii) Vaccinesiii) Antitoxinsiv) Memory cellsSelect correct option from the following.

If a person is infected with some deadly microbes to which quick immune response is required as in tetanus, directly injection of the preformed antibodies, or antitoxin (a preparation containing antibodies to the toxin) should be administered. This type of immunisation is called passive immunisation.