Doubting the Germ Theory of Disease

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On a recent trip back from my parents' house, our 2-year-old engaged in very risky behavior in the airport and on the plane. He rolled around on the floor at the gate, and he rubbed his pacifier all over the food court table, and then against his bare feet. My wife and I were utterly grossed out.

It has been several days and he shows no signs of illness.

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