ACE2 and COVID-19: Thus, due to the homology that ACE2 orthologues of the great apes have with the human ACE2 regarding the 30 binding sites investigated here, perhaps, only they are naturally and equally susceptible to develop symptoms of COVID-19, a concern that has already been demonstrated by members of the “Great Ape Health Consortium” (Gillespie and Leendertz, 2020).