WHO新冠流行周报(2022年4月20日)：全球新冠感染与死亡人数持续下降

自2022年3月底以来，全球新冠感染人数与死亡人数呈持续下降趋势。在过去一周（4月11日至4月17日），纳入WHO监测的六个区域中，累计报道新冠感染者超过500万，新报道新冠死亡案例18,000例。与上一周相比，本周的感染人数和死亡人数环比分别下降24%和12%。

截止2022年4月17日，全球累计报道新冠确诊感染患者5亿人次，全球累计死亡人数600万。

在本期周报中，我们更新了循环SARS-CoV-2 VOCs的相关信息，并且特别关注了如何在新冠防控中更好地应用GIS系统。

Overview原文如下，或者您也可以下载2022年4月20日WHO新冠流行周报全文，自行阅读。

Globally, the number of new COVID-19 cases and deaths has continued to decline since the end of March 2022. During the week of 11 through 17 April 2022, over 5 million cases and over 18 000 deaths were reported across the six WHO regions, a 24% and 12% decrease respectively, as compared to the previous week.

As of 17 April 2022, over 500 million confirmed cases and over 6 million deaths have been reported globally.

In this edition, we provide updates on circulating SARS-CoV-2 variants of concern (VOCs) and a special focus on applying Geographic Information Systems to the COVID-19 response.