“…Vilela et al discussed the characteristics of one such viral vector based on avian orthoavulavirus type-1 (AOaV-1), which is widely used in poultry and animals (sheep, dogs, cats, pigs, horses, and camels). Recent pre-clinical evidence supports the utilization of this vector for human viruses, including influenza and coronaviruses [ 16 ]. The COVID-19 era witnessed the popularization of viral vectors for human use with three adenoviral vector-based vaccines licensed for SARS-CoV-2.…”