Amatuer , IMO delays here are mostly because of excellent science ,
If it will be only HIV , most probably BO will happen long time ago , but with all going on....it was not possible.
When you will read Trading post you will understand better , I believe...
But I understand , it is hard to believe at time , that one medicine can do all this , and without one serious side effect...
And imo , to know and talk about medicine , one should read every line about science...
IMO as always..