喜大普奔!加拿大 刚刚批准了第一个对COVID-19抗体的血清测试! 加拿大卫生部表示了解全国范围内COVID-19病毒感染的范围和规模是控制未来几个月病毒传播的关键!这也将有助于为公共卫生决策提供有力度的依据。 ...
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