Journal
VIRUSES-BASEL
Volume 15, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/v15071572
Keywords
COVID-19; case fatality rates; statistical model; empirical Bayes prediction; shrinkage
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The COVID-19 pandemic has had a rapid global impact, affecting millions of people and causing serious health, social, and economic consequences. This study aims to analyze the trends and patterns of COVID-19 death rates in South East Asian countries through a sequential cross-sectional study, using reliable data from the years 2020, 2021, and 2022. The findings will provide valuable insights for public health policies and treatments.
The COVID-19 pandemic has expanded fast over the world, affecting millions of people and generating serious health, social, and economic consequences. All South East Asian countries have experienced the pandemic, with various degrees of intensity and response. As the pandemic progresses, it is important to track and analyse disease trends and patterns to guide public health policy and treatments. In this paper, we carry out a sequential cross-sectional study to produce reliable weekly COVID-19 death (out of cases) rates for South East Asian countries for the calendar years 2020, 2021, and 2022. The main objectives of this study are to characterise the trends and patterns of COVID-19 death rates in South East Asian countries through time, as well as compare COVID-19 rates among countries and regions in South East Asia. Our raw data are (daily) case and death counts acquired from Our World in Data, which, however, for some countries and time periods, suffer from sparsity (zero or small counts), and therefore require a modelling approach where information is adaptively borrowed from the overall dataset where required. Therefore, a sequential cross-sectional design will be utilised, that will involve examining the data week by week, across all countries. Methodologically, this is achieved through a two-stage random effect shrinkage approach, with estimation facilitated by nonparametric maximum likelihood.
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