Health experts say its rapid transmission coincides with the southern hemisphere's traditional winter flu season.
卫生专家说，它的迅速传播正值南半球冬季传统的流感季节。
During the regular winter flu season, elderly people and those with chronic health conditions are the most likely to be sent to a hospital.
在流感的常规流行季节冬季，老年人和那些患有慢性疾病的人被送往医院的最多。
During the regular winter flu season, elderly people and those with chronic health conditions are the most likely to be sent to a hospital.
在流感的常规流行季节冬季，老年人和那些患有慢性疾病的人被送往医院的最多。
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