To assess whether patients can mediate an appropriate immune response KLH Week 4 post vaccination [clinicaltrials_resource:1fb22305469ddfca23c01c162a1d8dae]

Intracel KLH 1000 mcg (1 mg) without adjuvant, subcutaneous Tetanus Toxoid 0.5 ml intramuscularly (this arm closed 1/2/02).

To assess whether patients can mediate an appropriate immune response KLH Week 4 post vaccination [clinicaltrials_resource:1fb22305469ddfca23c01c162a1d8dae]

Intracel KLH 1000 mcg (1 mg) without adjuvant, subcutaneous Tetanus Toxoid 0.5 ml intramuscularly (this arm closed 1/2/02).