Modeling the effects of preventive measures and vaccination on the COVID-19 spread in Benin Republic with optimal control

Agossou, Onésime; Atchadé, Mintodê Nicodème; Djibril, Aliou Moussa

doi:10.1016/j.rinp.2021.104969

Cited by 21 publications

(17 citation statements)

References 18 publications

(15 reference statements)

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“…The coronavirus disease 2019 (COVID-19) pandemic, caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has affected over 260 million people and caused over 5.1 million deaths globally [ 1 ]. Vaccination has proven to be an effective method to control the spread of COVID-19 and, currently, several vaccines and candidates are approved and tested by different countries worldwide [ 2 ]. To date, 7.85 billion doses of COVID-19 vaccines have been administered globally and have resulted in one of the largest-scale vaccination campaigns in modern history [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

Susac Syndrome Following COVID-19 Vaccination: A Case Report

et al. 2022

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Due to the COVID-19 pandemic, numerous vaccines have been developed for the disease. However, with large-scale vaccination has come the gradual emergence of immunological phenomena caused by these new vaccines. Herein, we report a 48-year-old female with a sudden onset of inferior visual field defects in the left eye following her first dose of the ChAdOx1 vaccine. Dilated fundus examination combined with optical coherence tomography and fluorescein angiography confirmed the diagnosis of branch retinal artery occlusion. Within 4 weeks following vaccination, symptoms associated with hearing impairment developed, and magnetic resonance imaging revealed leptomeningeal enhancement. The diagnosis of Susac syndrome (SS) was confirmed. The development of SS may be caused by endotheliopathy resulting from the molecular mimicry of the ChAdOx1 vaccine. Clinicians should be aware of the symptoms of SS, which may develop after COVID-19 vaccination. Further experimental surveillance and case–control studies are required to confirm this relationship.

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Section: Introductionmentioning

confidence: 99%

Susac Syndrome Following COVID-19 Vaccination: A Case Report

et al. 2022

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“…To begin with, unlike Chinese culture, American culture overly emphasizes on individual rights and freedom. In fact, maskwearing and respecting the necessary social distancing can effectively stop the human-to-human transmission chain of this virus via the respiratory tract [169][170][171][172][173].…”

Section: Discussionmentioning

confidence: 99%

Tea and tea drinking: China’s outstanding contributions to the mankind

et al. 2022

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Background Tea trees originated in southwest China 60 million or 70 million years ago. Written records show that Chinese ancestors had begun drinking tea over 3000 years ago. Nowadays, with the aging of populations worldwide and more people suffering from non-communicable diseases or poor health, tea beverages have become an inexpensive and fine complementary and alternative medicine (CAM) therapy. At present, there are 3 billion people who like to drink tea in the world, but few of them actually understand tea, especially on its development process and the spiritual and cultural connotations. Methods We searched PubMed, Google Scholar, Web of Science, CNKI, and other relevant platforms with the key word “tea”, and reviewed and analyzed tea-related literatures and pictures in the past 40 years about tea’s history, culture, customs, experimental studies, and markets. Results China is the hometown of tea, tea trees, tea drinking, and tea culture. China has the oldest wild and planted tea trees in the world, fossil of a tea leaf from 35,400,000 years ago, and abundant tea-related literatures and art works. Moreover, tea may be the first Chinese herbal medicine (CHM) used by Chinese people in ancient times. Tea drinking has many benefits to our physical health via its antioxidant, anti-inflammatory, immuno-regulatory, anticancer, cardiovascular-protective, anti-diabetic, and anti-obesity activities. At the moment, COVID-19 is wreaking havoc across the globe and causing severe damages to people’s health and lives. Tea has anti-COVID-19 functions via the enhancement of the innate immune response and inhibition of viral growth. Besides, drinking tea can allow people to acquire a peaceful, relaxed, refreshed and cheerful enjoyment, and even longevity. According to the meridian theory of traditional Chinese medicine, different kinds of tea can activate different meridian systems in the human body. At present, black tea (fermented tea) and green tea (non-fermented tea) are the most popular in the world. Black tea accounts for over 90% of all teas sold in western countries. The world’s top-grade black teas include Qi Men black in China, Darjeeling and Assam black tea in India, and Uva black tea in Sri Lanka. However, all top ten famous green teas in the world are produced in China, and Xi Hu Long Jing tea is the most famous among all green teas. More than 700 different kinds of components and 27 mineral elements can be found in tea. Tea polyphenols and theaflavin/thearubigins are considered to be the major bioactive components of black tea and green tea, respectively. Overly strong or overheated tea liquid should be avoided when drinking tea. Conclusions Today, CAM provides an array of treatment modalities for the health promotion in both developed and developing countries all over the world. Tea drinking, a simple herb-based CAM therapy, has become a popular man-made non-alcoholic beverage widely consumed worldwide, and it can improve the growth of economy as well. Tea can improve our physical and mental health and promote the harmonious development of society through its chemical and cultural elements.

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“…The same approach was used by O. Agossou et al. [37] to find the optimal strategy to suppress the disease. The findings suggest that the optimal combination of preventive measures and vaccination is less costly and more effective than a single implementation.…”

Section: Introductionmentioning

confidence: 99%

Optimal control and cost-effectiveness analysis for a COVID-19 model with individual protection awareness

Yuan

2022

Physica A: Statistical Mechanics and its Applications

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Modeling the effects of preventive measures and vaccination on the COVID-19 spread in Benin Republic with optimal control

Cited by 21 publications

References 18 publications

Susac Syndrome Following COVID-19 Vaccination: A Case Report

Susac Syndrome Following COVID-19 Vaccination: A Case Report

Tea and tea drinking: China’s outstanding contributions to the mankind

Optimal control and cost-effectiveness analysis for a COVID-19 model with individual protection awareness

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