Quadrigen (DPT combined with the Salk polio vaccine) – random notes
In 1959, the Parke-Davis Quadrigen vaccine (DPT combined with the Salk polio vaccine) is licensed. The vaccine is alleged to be particularly reactive because of the effect of the p
The terms immunogen and antigen were not distinguished until 1959
An immunogen is any substance that generates B-cell (humoral/antibody) and/or T-cell (cellular) adaptive immune responses upon exposure to a host organism.[1][2] Imm