"Figure 2. BLAST of the 33kb contig against NCBI returns a 23,322bp perfect match to Human adenovirus 26."

Well that sounds good in regards to reproducibility and quality, even though I would not use this product on myself by any chance. I do not believe genetic technologies should be used by healthy people and they are the wrong design for a vaccine. Their unpredictability and risk is considerably higher than normal vaccines, you just cannot use them in healthy individuals and you absolutely cannot use them for a mild disease.