For instance, the ACE2 of primates (G. gorilla and Pongo abelli) and bats have been shown to interact with viral RBD by in silico and in vitro analyses [31,37], the variant Omicron (B.1.1.529) was associated with infections in rodents Diamond et al. [38] and Halfmann et al. [39]. The gene discussed is ACE2; the disease is infection.