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Published on: November 5, 2021
SARS: clinical presentation, transmission, pathogenesis and treatment options
Paul K S Chan1, Julian W Tang, David S C Hui
1Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China. paulkschan@cuhk.edu.hk
Clinical Science (London, England : 1979)
|January 18, 2006
Summary
Severe acute respiratory syndrome (SARS) emerged as a significant infectious disease. Early recognition, isolation, and quarantine remain crucial for controlling outbreaks and preparing healthcare systems for future threats.
Area of Science:
- Infectious Diseases
- Virology
- Public Health
Background:
- Severe acute respiratory syndrome (SARS) was the first emerging infectious disease of the 21st century.
- The SARS virus can be easily cultured, enabling molecular studies and diagnostic assay development.
- The species barrier jump mechanism of SARS remains unclear, and superspreading events highlighted novel transmission routes.
Purpose of the Study:
- To review the emergence and characteristics of SARS.
- To discuss the implications of SARS on infectious disease control and healthcare preparedness.
- To highlight lessons learned from the SARS outbreak for managing future epidemics.
Main Methods:
- Literature review and analysis of SARS outbreak data.
- Examination of viral characteristics, transmission dynamics, and control measures.
- Synthesis of clinical management experiences and public health responses.
Main Results:
- The SARS virus's ability to propagate in cell lines facilitated research and diagnostics.
- Superspreading events revealed complex transmission mechanisms in various settings.
- Quarantine and early case identification/isolation were effective control strategies.
Conclusions:
- Despite advanced diagnostics, clinical alertness and prompt isolation are paramount for SARS containment.
- Experience gained from managing SARS improves preparedness for its potential return.
- Global healthcare systems are better equipped to handle emerging and re-emerging infectious diseases due to the SARS experience.
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