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感冒是小病,但对老年人(特别是高龄老人)则属大病,因为感冒的并发症和继发感染,严重者可危及生命。老年人
A cold is a minor illness, but it is a serious illness for the elderly (especially the elderly), because of the complications of cold and secondary infections, which can be life-threatening in severe cases. The elderly