Oxford’s ChAdOx1- nCoV-19 Vaccine

By Nana Dadzie Ghansah

Using Adenoviruses as viral vectors (Borrowed from From he Native Antigen Company)

Traditionally, to create a vaccine against a disease-causing pathogen, a weakened version of the pathogen (called live-attenuated) or an inactivated or killed-off version of that pathogen was used. When these versions of a pathogen are introduced into the human body (vaccination), they do not cause disease but lead to the adaptive immune system producing antibodies that for long…