He Guanhao, Zhu Sui, Fu Di, Xiao Jianpeng, Zhao Jianguo, Lin Ziqiang, Liu Tao, Liang Xiaofeng, Ma Wenjun
Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou City, Guangdong Province, China.
Disease Control and Prevention Institute, Jinan University, Guangzhou City, Guangdong Province, China.
China CDC Wkly. 2022 Jul 29;4(30):649-654. doi: 10.46234/ccdcw2022.140.
WHAT IS ALREADY KNOWN ABOUT THIS TOPIC?: Hong Kong Special Administrative Region (SAR), China and Singapore are both facing considerable Omicron variant epidemic. However, the overwhelmed medical system and high case fatality ratio (CFR) just occurred in Hong Kong SAR, China but not in Singapore.
WHAT IS ADDED BY THIS REPORT?: The low vaccination coverage in Hong Kong SAR, China, especially among the older adults, is shown to be a primary reason of its recent high CFR.
WHAT ARE THE IMPLICATIONS FOR PUBLIC HEALTH PRACTICE?: Facing the potential epidemic risk, non-vaccinated, non-fully-vaccinated, and non-booster-vaccinated people in China, especially the elderly, should get any type of accessible vaccine, which could save lives when the infection unfortunately befalls.
关于该主题已知的信息有哪些？：中国香港特别行政区（香港特区）和新加坡都面临着相当严重的奥密克戎变异株疫情。然而，医疗系统不堪重负和高病死率仅在中国香港特区出现，而新加坡并未出现。
本报告新增了哪些内容？：事实表明，中国香港特区疫苗接种覆盖率低，尤其是老年人中的覆盖率低，是其近期高病死率的主要原因。
对公共卫生实践有哪些启示？：面对潜在的疫情风险，中国未接种疫苗、未全程接种疫苗和未接种加强针的人群，尤其是老年人，应接种任何可及的疫苗，一旦不幸感染，这可能会挽救生命。
