Many vaccines work by injecting a weakened version of a pathogen into the body.
However, viral vector vaccines, like Johnson & Johnson's, are different.
Guillermo Arduino explains how it works.
This is how Johnson & Johnson's viral vector vaccine against covid-19 works | Video | CNN
2021-03-02T04:04:20.620Z
Many vaccines work by injecting a weakened version of a pathogen into the body. However, viral vector vaccines, such as | United States | CNN