TAG标签 :较轻

儿童新冠肺炎症状较轻是因为常得感冒

儿童新冠肺炎症状较轻是因为常得感冒

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Children may be protected from coronavirus because they catch so many colds, scientists have suggested.科学家指出,儿童经常感冒可能会保护他们免受新冠病毒...