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But we do think that being attacked by two viruses, particularly if you are less than five years of age, it’s been clearly demonstrated by this study, it does tend to make your illness more severe, more likely to be prolonged in the hospital, more likely to be in the pediatric intensive care unit, and so clearly, having your lungs and your throat and your body – generally your immune system – attacked by two viruses simultaneously, understandably might make some young children more severely ill.