Beautiful work, your passion and enthusiasm on the topic is amazing. There is quite a few ethical questions to ask. A lot within health is still unknown and we still trying to better understand the science behind it. The sad part, a lot of it is base on money, and the money has to be made. So whatever seem profitable gonna take the mainstream and they would get the regulatory body behind it even when lead researcher oppose it. We have poison many great research and talent in search of profits. The very adverse effects speculated by some lead researchers manifest itself but regulators are not even, the industry and at time one vaccine can be a big winner, a couple billion dollars. People won't let that pass even in the face of suffering