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Updated: Dec 25, 2025

Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
Published on: November 10, 2023
COVID-19: what has been learned and to be learned about the novel coronavirus disease
Ye Yi1, Philip N P Lagniton1, Sen Ye1
1Institute of Translational Medicine, and Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.
Insights
The Coronavirus disease 2019 (COVID-19) outbreak, caused by SARS-CoV-2, is a global health crisis. This review covers COVID-19 epidemiology, virology, and prevention, aiding understanding and eradication efforts.
Area of Science:
- Virology
- Epidemiology
- Public Health
Background:
- The emergence of Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, presents a significant global health threat.
- COVID-19 shares similarities with SARS-CoV but exhibits higher transmissibility and affects specific demographics, including the elderly, men, and a broader population.
- The rapid increase in research necessitates a consolidated overview of the evolving understanding of the disease.
Purpose of the Study:
- To provide a comprehensive review of the current research on COVID-19.
- To consolidate information on the epidemiology, etiology, virology, diagnosis, treatment, prognosis, and prevention of COVID-19.
- To aid in the understanding and control of the SARS-CoV-2 pandemic.
Main Methods:
- Literature review of rapidly developing research on COVID-19.
- Synthesis of information from various scientific publications.
- Compilation of data on disease characteristics and management strategies.
Main Results:
- COVID-19, caused by SARS-CoV-2, has a lower severity and mortality than SARS but is more transmissible.
- The disease disproportionately affects the elderly and men.
- A comprehensive overview of key aspects of COVID-19 is presented, highlighting areas needing further investigation.
Conclusions:
- Despite ongoing research, many questions regarding SARS-CoV-2 remain unanswered.
- This review aims to enhance the understanding of COVID-19 to support eradication efforts.
- Continued research and information dissemination are crucial for managing the COVID-19 pandemic.
Abstract:
The outbreak of Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome (SARS) coronavirus 2 (SARS-CoV-2), has thus far killed over 3,000 people and infected over 80,000 in China and elsewhere in the world, resulting in catastrophe for humans. Similar to its homologous virus, SARS-CoV, which caused SARS in thousands of people in 2003, SARS-CoV-2 might also be transmitted from the bats and causes similar symptoms through a similar mechanism. However, COVID-19 has lower severity and mortality than SARS but is much more transmissive and affects more elderly individuals than youth and more men than women. In response to the rapidly increasing number of publications on the emerging disease, this article attempts to provide a timely and comprehensive review of the swiftly developing research subject. We will cover the basics about the epidemiology, etiology, virology, diagnosis, treatment, prognosis, and prevention of the disease. Although many questions still require answers, we hope that this review helps in the understanding and eradication of the threatening disease.
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