Children are more likely to transmit Covid-19 than previously thought, according to a US study published at the weekend.
上周末在美國發表的一項研究顯示,兒童傳播新型冠狀病毒肺炎(COVID-19,即2019冠狀病毒?。┑目赡苄员纫郧跋胂蟮囊?。
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