在COVID-19的全球趋势.
Chuan-Min Zhou1,2, Xiang-Rong Qin3, Li-Na Yan2
1Department of Infectious Diseases, Zhongnan Hospital, Wuhan University, Wuhan, 430071, Hubei Province, China.
Infectious medicine
|December 11, 2023
概括
由SARS-CoV-2引起的COVID-19大流行,由于疫苗和新兴变种,死亡率有所下降. 持续接种疫苗是控制病毒的关键,可能使其成为普通感冒.
科学领域:
- 流行病学 流行病学
- 传染性疾病 传染性疾病
- 公共卫生 公共卫生
背景情况:
- 由于COVID-19的流行,全球的死亡率和发病率显著.
- 年轻人群占大多数感染者,但死亡率较低.
- 新出现的SARS-CoV-2变种对感染或接种疫苗的现有免疫力构成挑战.
研究的目的:
- 分析COVID-19病例的趋势,死亡率以及疫苗接种和新兴变种的影响.
- 评估自然感染和疫苗接种在减轻疾病严重性的有效性.
- 预测COVID-19流行病的未来轨迹和潜在的长期结果.
主要方法:
- 在两年时间内分析全球COVID-19病例和死亡率数据.
- 关于SARS-CoV-2变种和免疫逃避的科学文献的审查.
- 检查疫苗接种率及其与疾病严重程度和死亡率的相关性.
主要成果:
- 全球COVID-19病例超过4.186亿,死亡人数为580万.
- 疫苗接种率正在接近群体免疫力,大约有55.04%的人被完全接种了疫苗.
- 突破性感染发生,但通常较温和,死亡率较低.
- 病例死亡率显著下降,从12.3%降至0.27%.
结论:
- 消除SARS-CoV-2不太可能;管理大流行需要持续努力.
- 扩大有效的疫苗接种是预防流行病的最有效策略.
- 增加群体免疫力预计将进一步降低COVID-19的死亡率,可能导致类似于普通感冒的流行病.
关键词:
突破性感染是一种突破性感染.在 COVID-19 疫情中,病例死亡率 病例死亡率达尔塔变种的特种变种群体免疫力是一种群体免疫力.这种Omicron变异是什么?这就是SARS-CoV-2病毒.疫苗 疫苗 疫苗 疫苗更多相关视频
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