I'm glad you found an article that matches an obscure academic use of the term, retroactively, as you started this thread with a question.

That's not what happened.

When I google "vaccine reprogram cells" it is on the first page. So, not sure how obscure it is.

I'm saying you started this thread with a question because you didn't already know the answer

and then you found an academic use of the term that matches your conclusion after being challenged about the obscurity of the use of the term. this is an obscure use of the term "genetic engineering" which would be limited to academic circles.

Interesting. Looks like they're talking about the Oxford/AstraZeneca vaccine which uses a reengineered virus as a delivery mechanism.

It also says the BioNTech/Pfizer and Moderna vaccines put mRNA into the cell. But I don't think it say how it's done.