标签: variants

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Covid-19 variants have likely replaced original virus in many parts of Canada, 卫生官员说

27 观看次数0 注释

Canadian public health officials say a rapidly spreading variant likely has now replaced the original Covid-19 virus in many parts of the country, and new variants are making younger people sicker and sending more t...

Variants fuel increasing hospitalizations and lockdowns in Canada

6 观看次数0 注释

Canada continues to see rising new daily cases of Covid-19 and hospitalizations as officials warn the variants are spreading rapidly and are a threat to younger Canadians. "Even if the end of the pandemic is in sigh...

美国很多最新的冠状病毒变异数据已有几个月的历史了

42 观看次数0 注释

寻找新的冠状病毒变种的一部分, 国际数据库显示,美国从患者中收集病毒样本的速度排名第61位, 分析然后在线发布. 国家w ...