ArticleIEEE access : practical innovations, open solutions2020
Optimized Lockdown Strategies for Curbing the Spread of COVID-19: A South African Case Study.
Article in IEEE access : practical innovations, open solutions, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- Effect of COVID-19 pandemic on smoking, alcohol consumption, and substance use in persons aged 15 years and older in Uganda.Scientific reports · 2025Article
- Investigating the mediating effect of anxiety and fear of a third wave of COVID-19 among students in South India.Annales medico-psychologiques · 2023Article
- Article
- Quantifying Social Interventions for Combating COVID-19 via a Symmetry-Based Model.International journal of environmental research and public health · 2022Article
- Recursive state and parameter estimation of COVID-19 circulating variants dynamics.Scientific reports · 2022Article
- Estimating the time-varying reproduction number for COVID-19 in South Africa during the first four waves using multiple measures of incidence for public and private sectors across four waves.medRxiv : the preprint server for health sciences · 2022Article
- Qualitative and quantitative analysis of the COVID-19 pandemic by a two-side fractional-order compartmental model.ISA transactions · 2022Article
- Post-pandemic lifestyle changes and their interaction with resident behavior in housing and neighborhoods: Bursa, Turkey.Journal of housing and the built environment : HBE · 2022Article
- Mitigating virus spread through dynamic control of community-based social interactions for infection rate and cost.Social network analysis and mining · 2022Article
- Mathematical modeling and impact analysis of the use of COVID Alert SA app.AIMS public health · 2022Article
- Modeling and control of epidemics through testing policies.Annual reviews in control · 2021Article
- Optimized Lockdown Strategies for Curbing the Spread of COVID-19: A South African Case Study.IEEE access : practical innovations, open solutions · 2020Article
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3 authors.
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Abstract
To curb the spread of COVID-19, many governments around the world have implemented tiered lockdowns with varying degrees of stringency. Lockdown levels are typically increased when the disease spreads and reduced when the disease abates. A predictive control approach is used to develop optimized lockdown strategies for curbing the spread of COVID-19. The strategies are then applied to South African data. The South African case is of interest as the South African government has defined five distinct levels of lockdown, which serves as a discrete control input. An epidemiological model for the spread of COVID-19 in South Africa was previously developed, and is used in conjunction with a hybrid model predictive controller to optimize lockdown management under different policy scenarios. Scenarios considered include how to flatten the curve to a level that the healthcare system can cope with, how to balance lives and livelihoods, and what impact the compliance of the population to the lockdown measures has on the spread of COVID-19. The main purpose of this article is to show what the optimal lockdown level should be given the policy that is in place, as determined by the closed-loop feedback controller.
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