A practitioner asks if his perceptions about the cause of his clients having viral symptoms was accurate?

This was accurate and true, that their bodily symptoms are not due to infectious agents but the discord of being in a poor environment and under spiritual attack, both. There are many energetic influences that build over time when one is surrounded by negative energies of various kinds. This, in itself, is a health hazard and will be reflected in a downturn for those individuals with inner vulnerabilities that make them particularly susceptible to a negative influence of that kind. This is not at all uncommon because such energies coming from negative spirit beings register on the body in ways very similar to physical maladies. That is intentional and is a learned facility the dark ones have acquired through time and experience over thousands of years of tormenting. They know where the vulnerabilities lie, for their target, and attack those weak spots savagely. So even though these symptoms are annoying for the people affected, this is a small penalty for the level of evil and savagery working against them. That is a testament to the divine protection they enjoy through their own and your requests for their well-being and safety.