How could it be they were not Infected?
The Four Robbers were happy to answer how this was possible, if it would save their lives.
They explained that they were merchants of perfume and spice.
As they traveled the world they had seen how plant oils carried both medicinal and preventive qualities. During their travels they collected different plant oils, each with unique protective properties.
They eventually discovered that by combining a few oils, in a certain way, these oils could help protect them from and is how they could rob the bodies infected with the plague.
Aunt Lyn’s has taken the original thieve’s oil formula, increased the potency of three ingredients and added another powerful anti-viral and anti-bacterial, Oil of Oregano.
6 Powerful Oils !
This was done to offset the strengthening of microbes; virus and bacteria, primarily caused in the last two centuries by the advent of man-made antibiotics, microbes to become resistant by mutating .