Patient's question:
Sure, here is the translation of the content you provided:```
No
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Doctor's answer:
The most common disease in winter is upper respiratory tract infection. Because the temperature changes significantly in winter, especially the large difference between indoor and outdoor temperatures, and there are many viruses and bacteria in the respiratory tract. Therefore, young children are particularly prone to upper respiratory tract infections. Sometimes, like viral infections, not only do they cause respiratory symptoms, but they can also lead to digestive system dysfunction in children, resulting in diarrhea. This is the most common.