* An increase in autoimmune diseases (related to the hygiene hypothesis).
* Decreased resistance to future viral pandemics, since the body wouldn't have practice since childhood in fighting viral disease.
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On the other hand viral infections themselves can instigate autoimmunity. After all, your body now has to fight your own cells (in contrast to other foreign infection)
* An increase in autoimmune diseases (related to the hygiene hypothesis).
* Decreased resistance to future viral pandemics, since the body wouldn't have practice since childhood in fighting viral disease.