Omicron Covid 变体: 说疾病严重程度还为时过早 – 视频

在南非首次发现的变异至少在 38 国家,但尚未报告死亡人数, the World Health Organization’s technical lead for Covid-19, 玛丽亚·范克霍夫, 说. The WHO has said it could take weeks to determine how infectious Omicron is, whether it causes more severe illness and how effective treatments and vaccines are against it

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