Epidemiology of COVID-19 cases and vaccination coverage in Seremban District, Malaysia, 2021.

IF 1 Q4 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Western Pacific Surveillance and Response Pub Date : 2023-04-01 DOI:10.5365/wpsar.2023.14.2.985

Khairul Hafidz Alkhair Khairul Amin, Nur Nadiatul Asyikin Bujang, Siti Aishah Abas, Nadiatul Ima Zulkifli, Syuaib Aiman Amir, Sharina Mohd Shah, Veshny Ganesan, Nurul Fazilah Aziz, Muhammad Adli Jalaluddin, Mohd Shahrol Abd Wahil, Muhamad Hazizi Muhamad Hasani, Noor Khalili Mohd Ali, Mohamad Paid Yusof

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Abstract

Objective: Malaysia's first case of coronavirus disease (COVID-19) was reported in January 2020, with the first case in the state of Negeri Sembilan diagnosed on 17 February 2020. The National COVID-19 Immunization Programme commenced in early March 2021 in Negeri Sembilan. This study describes the COVID-19 cases and vaccination coverage in Seremban District, Negeri Sembilan, during 2021.

Methods: The demographic and clinical characteristics of COVID-19 cases and the district's vaccination coverage were described. Vaccination coverage was plotted against COVID-19 cases on the epidemic curve. The χ² test was used to examine the differences between the vaccination status of COVID-19 cases and severity category, hospitalization status and mortality.

Results: In Seremban District, there were 65 879 confirmed cases of COVID-19 in 2021. The data revealed that the  21-30-year age group had the highest proportion of cases (16 365; 24.8%), the majority of cases were male (58.3%), and most cases were from the subdistrict of Ampangan (23.1%). The majority of cases were Malaysian. Over half (53.5%) were symptomatic, with fever (29.8%) and cough (22.8%) being the most frequently reported symptoms. COVID-19 vaccination status was significantly associated with severity category, hospitalization and mortality (P < 0.001 for all categories).

Discussion: This is the first study to describe two-dose vaccination coverage and the trend in COVID-19 cases in Seremban District. It was observed that COVID-19 cases had been reduced following more than 60.0% vaccination coverage.

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2021年马来西亚塞伦班县COVID-19病例流行病学和疫苗接种覆盖率

目的:马来西亚首例冠状病毒病(COVID-19)病例于2020年1月报告，第一例病例于2020年2月17日在森美兰州被诊断出来。国家COVID-19免疫规划于2021年3月初在森美兰州启动。本研究描述了2021年森美兰州塞伦班县的COVID-19病例和疫苗接种覆盖率。方法:描述2019冠状病毒病病例的人口学特征、临床特征及各区疫苗接种率。在流行曲线上根据COVID-19病例绘制疫苗接种覆盖率。采用χ2检验检验COVID-19病例接种情况与病情严重程度、住院情况和死亡率的差异。结果:2021年，Seremban区新冠肺炎确诊病例65879例。数据显示， 21-30岁年龄组的病例比例最高(16365;24.8%)，男性居多(58.3%)，安邦干街道居多(23.1%)。大多数病例是马来西亚人。超过一半(53.5%)有症状，其中发烧(29.8%)和咳嗽(22.8%)是最常报告的症状。COVID-19疫苗接种状况与严重程度类别、住院和死亡率显著相关(P讨论:这是第一个描述Seremban地区两剂疫苗接种覆盖率和COVID-19病例趋势的研究。据观察，在疫苗接种率超过60.0%后，COVID-19病例有所减少。

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