🚨replication-incompetent adenovirus type 26 - modified version of a chimpanzee 🐒adenovirus which enters human cells . A gene was added into the vaccine (adenovirus DNA), allowing the vaccine to target the spike proteins used to enter human cells. 🚨recombinant- relating to or denoting an organism, cell, or genetic material. Recombination is a process by which pieces of DNA are broken & recombined to produce new combos of alleles. This creates genetic diversity at the level of genes that reflec