This Virus has caused billions of deaths are you infected?
As time passed by the virus was re-engineered as the cunning witch doctors and groups of holy men explored the power of the mind virus. As tribes became bigger the religious virus became more complex and en-woven into the culture. Then Leaders that wanted to build empires see the value of having a tribal god of war and indoctrinating their warriors that this god would help them win all battles. This was the start of the religious base deaths and warriors fighting because their war gods told them to.
Nations started imposing their god on to the people within the new lands they captured. One of the successful empires was the roman one and the gods of war played a very important part of indoctrinating the troops to fight ferociously.
The Roman Empire used the power of its religions to indoctrinate its troops. Then Emperor Constantine I had the Christian Virus re-engineered to be the dominate Roman Empire faith, he had it styled on the pagan faiths of Rome and reintroduce the Judaism that showed God being the God of war and peace.
The beauty of this adapted religion was its story of the Birth of Jesus that was appealing to children. The whole idea being the virus was now given extra strength that it could not only be imposed on adults but humans at a more susceptible age infancy. Followers are tied to the faith from birth to death. This new brain virus gave more power over people and even the promise of an after life of which gave the religion more power than the Jewish faith. Ideal for building empires or expanding an empire or to help keep it together.
A hundred years after a young man of whom has seen the benefit of the Christian faith and the power of Judaism decided to start a new religion for the Arab nations. He totally re-engineered the religious virus and made his new Islamic religion a book of law that told the followers how to live their lives the new engineering gave complete control.
Over the centuries others have re-engineered religions to suit their requirements and how they wanted their followers to behave.
Cunning men have also used other forms of indoctrination under the name of politics that can look very tempting and beneficial hiding the evil intent of those elitist that also wish to control your life and take away your freedom and freedom of thought.