779,470,397reported cases
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关键时间线
影响全球公共卫生的重要事件
Dec 2019Cluster of unexplained pneumonia reported in Wuhan
11 Mar 2020WHO characterises COVID-19 as a pandemic
2020–2022Vaccines, treatments and new variants reshape the response
5 May 2023Global emergency status ends; the disease remains
当前观点:COVID-19 仍是需要监测的呼吸道传染病,老年人与高风险人群尤其需要注意。