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Measuring Time-Varying Effective Reproduction Numbers for COVID-19 and Their Relationship with Movement Control Order in Malaysia.
Musa, Kamarul Imran; Arifin, Wan Nor; Mohd, Mohd Hafiz; Jamiluddin, Mohammad Subhi; Ahmad, Noor Atinah; Chen, Xin Wee; Hanis, Tengku Muhammad; Bulgiba, Awang.
  • Musa KI; School of Medical Sciences, Universiti Sains Malaysia, USM, Kubang Kerian, Kelantan 16150, Malaysia.
  • Arifin WN; School of Medical Sciences, Universiti Sains Malaysia, USM, Kubang Kerian, Kelantan 16150, Malaysia.
  • Mohd MH; School of Mathematical Sciences, Universiti Sains Malaysia, USM, Penang 11800, Malaysia.
  • Jamiluddin MS; School of Mathematical Sciences, Universiti Sains Malaysia, USM, Penang 11800, Malaysia.
  • Ahmad NA; School of Mathematical Sciences, Universiti Sains Malaysia, USM, Penang 11800, Malaysia.
  • Chen XW; Faculty of Medicine, Sungai Buloh Campus, Universiti Teknologi MARA, Sungai Buloh, Selangor 47000, Malaysia.
  • Hanis TM; School of Medical Sciences, Universiti Sains Malaysia, USM, Kubang Kerian, Kelantan 16150, Malaysia.
  • Bulgiba A; Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia.
Int J Environ Res Public Health ; 18(6)2021 03 22.
Article in English | MEDLINE | ID: covidwho-1154379
Semantic information from SemMedBD (by NLM)
1. COVID-19 AFFECTS Movement
Subject
COVID-19
Predicate
AFFECTS
Object
Movement
2. IMPACT gene AFFECTS Movement
Subject
IMPACT gene
Predicate
AFFECTS
Object
Movement
3. COVID-19 AFFECTS Movement
Subject
COVID-19
Predicate
AFFECTS
Object
Movement
4. IMPACT gene AFFECTS Movement
Subject
IMPACT gene
Predicate
AFFECTS
Object
Movement
ABSTRACT
To curb the spread of SARS-CoV-2 virus (COVID-19) in Malaysia, the government imposed a nationwide movement control order (MCO) from 18 March 2020 to 3 May 2020. It was enforced in four phases (i.e., MCO 1, MCO 2, MCO 3 and MCO 4). In this paper, we propose an initiative to assess the impact of MCO by using time-varying reproduction number (Rt). We used data from the Johns Hopkins University Centre for Systems Science and Engineering Coronavirus repository. Day 1 was taken from the first assumed local transmission of COVID-19. We estimated Rt by using the EpiEstim package and plotted the epidemic curve and Rt. Then, we extracted the mean Rt at day 1, day 5 and day 10 for all MCO phases and compared the differences. The Rt values peaked around day 43, which was shortly before the start of MCO 1. The means for Rt at day 1, day 5, and day 10 for all MCOs ranged between 0.665 and 1.147. The average Rt gradually decreased in MCO 1 and MCO 2. Although spikes in the number of confirmed cases were observed when restrictions were gradually relaxed in the later MCO phases, the situation remained under control with Rt values being stabilised to below unity level (Rt value less than one).
Subject(s)
Keywords

Full text: Available Collection: International databases Database: MEDLINE Main subject: Coronavirus Infections / COVID-19 Type of study: Experimental Studies / Observational study Limits: Humans Country/Region as subject: Asia Language: English Year: 2021 Document Type: Article Affiliation country: Ijerph18063273

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Coronavirus Infections / COVID-19 Type of study: Experimental Studies / Observational study Limits: Humans Country/Region as subject: Asia Language: English Year: 2021 Document Type: Article Affiliation country: Ijerph18063273