TETANUS VACCINE PRODUCTION

摘要

2141410 9403206 PCTABScor01 A process for the preparation of tetanus toxoid, which process comprises incubating purified tetanus toxin with 0.2 to 1 % (v/v) formaldehyde in the presence of 0.005 to 0.25M lysine for from 24 to 32 days at a pH of from 6.0 to 8.0 and a temperature of from 30 to 45 ·C.