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In this research, we debate two possible choices against global COVID-19. The first choice, a vaccine, is available in the market until now. The second choice is a medication under the use of hydroxychloroquine and ivermectin together. Therefore, this research aims to find a practical and suitable choice to promptly reduce and stop COVID-19 damage. Using the Pandemic Control Choices Box (PCC-Box), the PCC-Box tries to find the best choice. Hence, we try to find the benefit/cost of both choices and select which one is more cheap and effective to generate global welfare.
This electronic monograph is divided into seven chapters. The objective of this electronic monograph is to evaluate technically the election between vaccination and medication to against COVID-19. The first chapter explains each chapter of this electronic monograph. The second chapter shows that in recent days, we have a big debate about who needs the COVID-19 vaccine among different sectors and social groups. We try to evaluate the precise number of COVID-19 vaccines according to a new formula. This unique formula implies considering other variables with its parameters to measure the country’s optimum COVID-19 vaccine volume. Therefore, this research aims to find the best indicator for the prompt implementation of a successful COVID-19 vaccination anywhere. Using the Optimum COVID-19 Vaccination Coverage Index (OCVC-Index), we can efficiently evaluate the best solution to help crucial niches with high risk to catch up with COVID-19 anytime. Finally, we applied the OCVC-Index to U.S., Japan, Malaysia, Guatemala, and Chile, respectively. The third chapter presents that COVID-19 is a menace to those who haven't a chance to easily access for COVID-19 vaccines everywhere and anytime, especially in developing countries. We want to go far in this research to effectively with proposing a well-organized COVID-19 vaccination campaign for the faster recovery from this global pandemic crisis. Given the COVID-19 damage globally, this article attempts to present an alternative COVID-19 vaccination campaign model. Hence, we are elaborating a COVID-19 vaccination campaign model for developing countries, in our case is the case of the Central America region (Guatemala, Honduras, El Salvador, Nicaragua, and Costa Rica). According to this research, any successful vaccination campaigns requested an excellent organization and working team between the public sector, private sector, and civil society, respectively. We propose a COVID-19 vaccination model called "The Global Pandemic Systematic Integral Vaccination Model (GPSIV-Model)." The GPSIV-Model can be implemented regionally or by country with a more accurate degree to help in the control of COVID-19 in the short run. In the fourth chapter will evaluate when it is possible to stop the COVID-19. For this reason, we want to assess different aspects of the COVID-19 using extensively clinical statistical data. This research's central objective is to evaluate the duration of the COVID-19 approximately. However, we apply an alternative approach to the evaluation of the COVID-19. We try to probe if the COVID-19 strain has homogeneous or heterogeneous characteristics and behavior worldwide. This new evaluation process requests to account for different symptoms by age and gender, other transmission channels, periods of incubation, patient's reaction with partial treatments, periods of recovery, and death probability. After the outbreak down in England (September 2020) with a new mutation originated from the COVID-19 strain, we renamed this new mutation as the COVID-20 strain (SARS-CoV-2 Variant VOC 202012/01) for research purposes. According to this research, the COVID-20 strain has its origins from the heavy winter and lower temperatures in the Northern hemisphere, the holidays end of the year, and the virus maturation (under a faster number of mutations and smart reactions this virus in different environments). According to this research, the COVID-20 strain will be more potent than the COVID-19 strain, with a higher possibility the younger people can get contagious more quickly. Hence, the COVID-20 strain is getting more robust and resistant to the new COVID-19 vaccine. Our main argument in this research is that the COVID-19 vaccine is useless and cannot work anymore with the unexpected appearance of the COVID-20 strain in Europe. We want to compare the characteristics and behavior of COVID-19 strain vs. COVID-20 strain, respectively. We propose a new model is called "The COVID-N Distortion Behavioural Model (COVID-N- Distortion Behavioural Model)." The COVID-N-Distortion Behavioural Model was applied in England's case in the short run. The chapter fifth proposes a new nomenclature and classification for COVID-19; because the COVID-19 strain constantly changes qualitatively and qualitatively, it is encouraging for a new category immediately. For this reason, we want to assess different aspects of the evolution and transformation of the COVID-19 strain. This research's central objective is to reclassify COVID-19 according to a list of parameters presented in this research paper. After the outbreak down in England recently with a new mutation originated from the COVID-19 strain, we renamed it the COVID-20 strain (SARS-CoV-2 Variant VOC 202012/01) for research purposes. According to this research, we suggest incorporating a new index to evaluate the magnitude of expansion and dangerousness. The new index is called the COVID-X index. The COVID-X index is to assess different COVID strains year by year. The sixth chapter debates two possible choices against global COVID-19. The first choice, a vaccine, is available in the market until now. The second choice is medication under the use of hydroxychloroquine and ivermectin together. Therefore, this research aims to find a practical and suitable choice to promptly reduce and stop COVID-19 damage. Using the Pandemic Control Choices Box (PCC-Box), the PCC-Box tries to find the best choice. Hence, we try to find the benefit/cost of both choices and select which one is cheaper and more effective to generate global welfare. The chapter seventh tries to elaborate a technical study about the election of two possible solutions against the global COVID-19 damages. These two solutions are vaccination or adaptation. Therefore, this research aims to find practical and suitable solutions to immediately reactivate the worldwide economy prompt from the COVID-19 crisis. Using the Critical Crisis Evaluator Box (CCEB-Box), the CCEB-Box tries to efficiently evaluate the best solution to help in the fast recovery of the worldwide economy. Hence, we try to find which solution is the best mathematically to reduce divergence and generate convergence to find social welfare and economic prosperity simultaneously.
2021
Governments across the world are currently facing the task of selecting suitable intervention strategies to cope with the effects of the COVID-19 pandemic. This is a highly challenging task, since harsh measures may result in economic collapse while a relaxed strategy might lead to a high death toll. Motivated by this, we consider the problem of forming intervention strategies to mitigate the impact of the COVID19 pandemic that optimize the trade-off between the number of deceases and the socio-economic costs. We demonstrate that the healthcare capacity and the testing rate highly affect the optimal intervention strategies. Moreover, we propose an approach that enables practical strategies, with a small number of policies and policy changes, that are close to optimal. In particular, we provide tools to decide which policies should be implemented and when should a government change to a different policy. Finally, we consider how the presented results are affected by uncertainty in th...
Applied Health Economics and Health Policy, 2021
With vaccines for coronavirus disease 2019 (COVID-19) being introduced in countries across the world, policy makers are facing many practical considerations about how best to implement a vaccination programme. The supply of vaccines is insufficient for the global population, so decisions must be made as to which groups are prioritised for any vaccination and when. Furthermore, the aims of vaccination programmes will differ between countries, with some prioritising economic benefits that could stem from the relaxation of non-pharmaceutical interventions and others seeking simply to reduce the number of COVID-19 cases or deaths. This paper aims to share the experiences and lessons learned from conducting economic evaluations in Singapore and Thailand on hypothetical COVID-19 vaccines to provide a basis for other countries to develop their own contextualised economic evaluations, with particular focus on the key uncertainties, technical challenges, and characteristics that modellers should consider in partnership with key stakeholders. Which vaccines, vaccination strategies, and policy responses are most economically beneficial remains uncertain. It is therefore important for all governments to conduct their own analyses to inform local policy responses to COVID-19, including the implementation of COVID-19 vaccines in both the short and the long run. It is essential that such studies are designed, and ideally conducted, before vaccines are introduced so that policy decisions and implementation procedures are not delayed.
BMJ Global Health, 2021
Journal of Interdisciplinary Mathematics, 2020
In recent, non-pharmaceutical intervention (lockdown, quarantine, expended testing) and the pharmaceutical intervention (use of commonly used drugs) are the only available strategies to control the COVID-19 disease. Though the scientist all over the world are engaging themselves to find the way out the vaccine of COVID-19, still it is persisted unanswered how to oust the pandemic epidemic from the world. Generally, social distancing, using the mask, etc. are the only available policy to control the pandemic. In this situation uses of common drugs (Azithromycin, HCQ, Antiprotozoal with Doxycycline, Levocetirizine with Montelukast) are common but effective treatment for the reported and hospitalized patient. These drugs activate the immune system of our body to fight against the disease progression. We have formulated a seven compartmental SEIQR type model to explore the COVID-19 disease progression. We have studied the effect of pharmaceutical and non pharmaceutical intervention as a control input and it effect to reduce the number of the infected population while reducing the cost related with the awareness and drug in a specific time frame. Analytical finding tells that the system behavior depends on basic reproduction
International Journal of Dynamics and Control, 2023
Coronaviruses are types of viruses that are widely spread in humans, birds, and other mammals, leading to hepatic, respiratory, neurologic, and enteric diseases. The disease is presently a pandemic with great medical, economical, and political impacts, and it is mostly spread through physical contact. To extinct the virus, keeping physical distance and taking vaccine are key. In this study, a dynamical transmission compartment model for coronavirus (COVID-19) is designed and rigorously analyzed using Routh-Hurwitz condition for the stability analysis. A global dynamics of mathematical formulation was investigated with the help of a constructed Lyapunov function. We further examined parameter sensitivities (local and global) to identify terms with greater impact or influence on the dynamics of the disease. Our approach is data driven to test the efficacy of the proposed model. The formulation was incorporated with available confirmed cases from January 22, 2020, to December 20, 2021, and parameterized using real-time series data that were collected on a daily basis for the first 705 days for fourteen countries, out of which the model was simulated using four selected countries: USA, Italy, South Africa, and Nigeria. A least square technique was adopted for the estimation of parameters. The simulated solutions of the model were analyzed using MAPLE-18 with Runge-Kutta-Felberg method (RKF45 solver). The model entrenched parameters analysis revealed that there are both disease-free and endemic equilibrium points. The solutions depicted that the free equilibrium point for COVID-19 is asymptotic locally stable, when the epidemiological reproduction number condition (R 0 < 1). The simulation results unveiled that the pandemic can be controlled if other control measures, such as face mask wearing in public areas and washing of hands, are combined with high level of compliance to physical distancing. Furthermore, an autonomous derivative equation for the five-dimensional deterministic was done with two control terms and constant rates for the pharmaceutical and non-pharmaceutical strategies. The Lagrangian and Hamilton were formulated to study the model optimal control existence, using Pontryagin's Maximum Principle describing the optimal control terms. The designed objective functional reduced the intervention costs and infections. We concluded that the COVID-19 curve can be flattened through strict compliance to both pharmaceutical and non-pharmaceutical strategies. The more the compliance level to physical distance and taking of vaccine, the earlier the curve is flattened and the earlier the economy will be bounce-back.
The EuroBiotech Journal, 2021
The entire globe is struggling with the COVID-19 pandemic since March 11, 2020. There is still a large number of infected patients and death, and there is no proven treatment for the infection yet. This has led to the race in vaccine development to protect people from COVID-19 infection. As of February 3, 2021, there were 289 experimental COVID -19 vaccines in development, 66 of which were in clinical trials with different phases, and 20 of them were in phase 3. This study aims to evaluate 15 important vaccines based on criteria such as the dose number, dosing schedule, storage advantages, efficacy, and side effect. In this evaluation, we use the fuzzy PROMETHEE approach, which is an important Multi-Criteria Decision Making (MCDM) technique. The importance level of the criteria is determined based on expert opinion. The result shows that the EpiVacCorona vaccine is the most effective vaccine to prevent COVID-19 infections based on the selected criteria and the importance level of ea...
Prezados alunos: elaborei uma seleção com as principais decisões do STJ no ano de 2023 para o processo civil, utilizando as minhas publicações anteriores no X (twitter) e o compilado de jurisprudência do próprio tribunal. Boa leitura!
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