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Insights into variations in COVID-19 infections in Malaysia

The present study aims to visualize the variations in the number of confirmed daily COVID-19 infections during the third wave in Malaysia through the application of control charts. This study also attempts to propose the target number of daily new cases that would bring the pandemic situation in Mal...

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Main Authors: Sanmugan, Kirubha A. P., Abdul Talib, Muzalwana
Format: Article
Published: Penerbit Universiti Kebangsaan Malaysia 2022
Subjects:
Q Science (General)
Online Access:http://eprints.um.edu.my/41735/
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spelling my.um.eprints.417352023-10-20T03:27:13Z http://eprints.um.edu.my/41735/ Insights into variations in COVID-19 infections in Malaysia Sanmugan, Kirubha A. P. Abdul Talib, Muzalwana Q Science (General) The present study aims to visualize the variations in the number of confirmed daily COVID-19 infections during the third wave in Malaysia through the application of control charts. This study also attempts to propose the target number of daily new cases that would bring the pandemic situation in Malaysia under control by utilizing the confirmed daily cases in Malaysia starting from 8(th) September 2020 until 30(th) June 2021. A modified Shewhart control chart was adopted to monitor the variations before and after the commencement of National Immunisation Programme (NIP). The chart shows a declining trend in the number of cases after the rollout of NIP whereby several days were brought to a state of statistical-in-control. But in less than three months after NIP commencement, there were huge variations in COVID-19 cases leading to drastic increase in the mean number of cases. These signal the presence of unnatural or assignable causes of variations which could be attributed to failure of curbing the risks of transmission, existence of various variants in the community, easing of containment measures and less adherence to the COVID-19 Standard Operating Procedures (SOPs). Significant shifts in the mean values prompt the development of a 3-phase modified Shewhart control chart. From the 3-phase chart, a series of daily number new cases that can be set as the target value to bring the pandemic situation in Malaysia under control, while flattening the epidemiological curve in the very near term. Penerbit Universiti Kebangsaan Malaysia 2022-05 Article PeerReviewed Sanmugan, Kirubha A. P. and Abdul Talib, Muzalwana (2022) Insights into variations in COVID-19 infections in Malaysia. Sains Malaysiana, 51 (5). pp. 1599-1608. ISSN 0126-6039, DOI https://doi.org/10.17576/jsm-2022-5105-27 <https://doi.org/10.17576/jsm-2022-5105-27>. 10.17576/jsm-2022-5105-27
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic Q Science (General)
spellingShingle Q Science (General)
Sanmugan, Kirubha A. P.
Abdul Talib, Muzalwana
Insights into variations in COVID-19 infections in Malaysia
description The present study aims to visualize the variations in the number of confirmed daily COVID-19 infections during the third wave in Malaysia through the application of control charts. This study also attempts to propose the target number of daily new cases that would bring the pandemic situation in Malaysia under control by utilizing the confirmed daily cases in Malaysia starting from 8(th) September 2020 until 30(th) June 2021. A modified Shewhart control chart was adopted to monitor the variations before and after the commencement of National Immunisation Programme (NIP). The chart shows a declining trend in the number of cases after the rollout of NIP whereby several days were brought to a state of statistical-in-control. But in less than three months after NIP commencement, there were huge variations in COVID-19 cases leading to drastic increase in the mean number of cases. These signal the presence of unnatural or assignable causes of variations which could be attributed to failure of curbing the risks of transmission, existence of various variants in the community, easing of containment measures and less adherence to the COVID-19 Standard Operating Procedures (SOPs). Significant shifts in the mean values prompt the development of a 3-phase modified Shewhart control chart. From the 3-phase chart, a series of daily number new cases that can be set as the target value to bring the pandemic situation in Malaysia under control, while flattening the epidemiological curve in the very near term.
format Article
author Sanmugan, Kirubha A. P.
Abdul Talib, Muzalwana
author_facet Sanmugan, Kirubha A. P.
Abdul Talib, Muzalwana
author_sort Sanmugan, Kirubha A. P.
title Insights into variations in COVID-19 infections in Malaysia
title_short Insights into variations in COVID-19 infections in Malaysia
title_full Insights into variations in COVID-19 infections in Malaysia
title_fullStr Insights into variations in COVID-19 infections in Malaysia
title_full_unstemmed Insights into variations in COVID-19 infections in Malaysia
title_sort insights into variations in covid-19 infections in malaysia
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2022
url http://eprints.um.edu.my/41735/
_version_ 1781704551095599104
score 13.211869

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