The<unk>  was developed because it was better than the original<unk>  vaccine.  It is made by mixing monomeric gp120 with Alum.  Studies showed that the more gp120 you add, the less<unk>  infections the first group for testing had, but the first group was too small to confirm that.
Subunit HIV vaccine
Malaria vaccine
Cancer vaccine
Ebola vaccines
Smallpox vaccine
CMV regimen
Caries vaccine
Polio vaccine