Age Structured Mixture Model for Early COVID-19 Spread: A Zimbabwean Risk Factor Analysis

Chipo Mufudza, Masilin Gudoshava, Sarudzai Showa

Research output: Contribution to journalArticle

Abstract

Unique severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2/COVID-19) prevention measures to distinct age, geographical and community groupings can only be effectively and efficiently implemented with a clear understanding on dynamics of the disease. Dynamics include disease spread, different risk factors and their level of influence and individual attributes that aid the spread. The paper aims at determining the major COVID-19 spread risk factors in Zimbabwe by identifying individual, age and community groupings, their risk levels given the complex heterogeneous population. COVID-19 data for 37 individuals as provided by the Ministry of Health and Child Care (MoHCC) for the period from 20 March - 14 May 2020 is used. Generalised Mixture Models were implemented to achieve the objectives. Results show that gender, age, mode of infection and history of travel were the main predictors of COVID-19 spread in Zimbabwe. However, their effects were distributed differently across two clusters. Children (0-14) years, females and those with imported infections were among high level risk spread groups. Whilst low risk groups consist non travelers, males and those infected by local transmission. We thus recommend that the Zimbabwean government need to prioritise children, females, and non-travelers when implementing prevention measures.
Original languageEnglish
Article numberep20003
Number of pages8
JournalJournal of Contemporary Studies in Epidemiology and Public Health
Volume1
Issue number1
DOIs
Publication statusPublished - Jul 31 2020

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