Severe acute respiratory syndrome in children
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Generation, Amplification, and Titration of Recombinant Respiratory Syncytial Viruses
Published on: April 4, 2019
Gary W K Wong1, Albert M Li, P C Ng
1Department of Pediatrics, Prince of Wales Hospital, Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China. wingkinwong@cuhk.edu.hk
Insights
Severe acute respiratory syndrome (SARS) is a contagious disease caused by a novel coronavirus. While adults face severe illness and high mortality, children experience milder symptoms, with no reported fatalities.
Area of Science:
- Infectious Diseases
- Virology
- Public Health
Background:
- Severe acute respiratory syndrome (SARS) is a novel, highly contagious respiratory infection.
- Adults often develop progressive hypoxia and respiratory distress syndrome (RDS), with high mortality, particularly in the elderly.
- The causative agent is a novel coronavirus, with transmission occurring through close contact with infected adults.
Purpose of the Study:
- To describe the clinical presentation and outcomes of SARS in children.
- To highlight the differences in disease severity between children and adults.
- To emphasize the importance of public health measures in controlling SARS transmission.
Main Methods:
- Observational analysis of pediatric SARS cases.
- Review of clinical progression and treatment regimens.
- Assessment of transmission dynamics within households.
Main Results:
- Children infected with SARS typically present with milder illness compared to adults.
- No case fatalities have been reported in children with SARS to date.
- Early isolation of infected adults and strict public health policies are crucial for community control.
Conclusions:
- SARS presents with significantly reduced severity in young children.
- Effective management relies on prompt isolation of infected adults and robust public health interventions.
- Further research into SARS pathophysiology and optimal treatment is warranted.
Abstract:
Severe acute respiratory syndrome (SARS) is a newly described and highly contagious respiratory infection. Many adult patients will develop progressive hypoxia, and a large proportion will develop respiratory distress syndrome (RDS), possibly related to massive and uncontrolled activation of the immune system. The mortality has been reported to be quite high, especially in the elderly with comorbid conditions. The causative agent has been identified as a novel coronavirus, and children appear to acquire the infection by close-contact household exposure to an infected adult. However, the severity is much milder and the clinical progression much less aggressive in young children. The exact pathophysiology of SARS is still unclear, and the medical treatment of SARS remains controversial. The main treatment regime used in Hong Kong is a combination of ribavirin and steroid. To date, there have been no reported case fatalities in children with this disease. The success of reducing the burden of this infection in children will depend on proper isolation of infected adults early in the course of illness. Strict public health policy and quarantine measures are the key in controlling the infection in the community.
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