Can You Get Mono Twice?
9. Reactivation
The virus will sometimes reactivate in patients, and it can happen more than once per patient. This is not usually a problem, however, and the patient will not usually experience any symptoms even when it has reactivated. In most cases, they will have no way of knowing it has reactivated, although they will become contagious again.
Without symptoms, the only way to tell that the virus has reactivated is through testing the saliva, where it will be present. We are not likely to have our saliva tested often, however, meaning that the reactivation goes completely unnoticed in the vast majority of cases.
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