Severe Acute Respiratory Syndrome (SARS Virus) - VADS CORNER

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Vads Corner - Severe Acute Respiratory Syndrome (SARS Virus) site - CORONAVIRUS

This page is dedicated to Severe Acute Respiratory Syndrome (SARS). It was setup as a result of the recent outbreak in Canada, China, Hong Kong Special Administrative Region of China, Indonesia, Philippines, Singapore, Thailand, and Viet Nam.. This page will be updated when information is available. You are welcome to suggest links or comments related to this site by e-mailing directly to me or mentioning the link in the guestbook. I however have the right to moderate these links. Initial news indicated it may belong to a paramyxovirus group and the latest news now confirms it is a new Coronavirus. Please read the disclaimer.

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Last Updated 13 June 2003

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Case Definition of Severe Acute Respiratory Syndrome (SARS)

Case definitions (revised 1 May 2003)

Suspect case
1.   A person presenting after 1 November 20021 with history of:
-  high fever (>38 °C)
AND
-   cough or breathing difficulty
AND one or more of the following exposures during the 10 days prior to onset of symptoms:
-  close contact2 with a person who is a suspect or probable case of SARS;
-  history of travel, to an area with recent local transmission of SARS
-  residing in an area with recent local transmission of SARS

2.  A person with an unexplained acute respiratory illness resulting in death after 1 November 2002,1 but on whom no autopsy has been performed
AND one or more of the following exposures during to 10 days prior to onset of symptoms:
-  close contact,2 with a person who is a suspect or probable case of SARS;
-   history of travel to an area with recent local transmission of SARS
-  residing in an area with recent local transmission of SARS


Probable case

1.  A suspect case with radiographic evidence of infiltrates consistent with pneumonia or respiratory distress syndrome (RDS) on chest X-ray (CXR).
2.   A suspect case of SARS that is positive for SARS coronavirus by one or more assays. See Use of laboratory methods for SARS diagnosis.
3.   A suspect case with autopsy findings consistent with the pathology of RDS without an identifiable cause.

Exclusion criteria
A case should be excluded if an alternative diagnosis can fully explain their illness.

Reclassification of cases
As SARS is currently a diagnosis of exclusion, the status of a reported case may change over time. A patient should always be managed as clinically appropriate, regardless of their case status.
-   A case initially classified as suspect or probable, for whom an alternative diagnosis can fully explain the illness, should be discarded after carefully considering the possibility of co-infection.
-   A suspect case who, after investigation, fulfils the probable case definition should be reclassified as "probable".
-   A suspect case with a normal CXR should be treated, as deemed appropriate, and monitored for 7 days. Those cases in whom recovery is inadequate should be re-evaluated by CXR.
-   Those suspect cases in whom recovery is adequate but whose illness cannot be fully explained by an alternative diagnosis should remain as "suspect".
-   A suspect case who dies, on whom no autopsy is conducted, should remain classified as "suspect". However, if this case is identified as being part of a chain transmission of SARS, the case should be reclassified as "probable".
-   If an autopsy is conducted and no pathological evidence of RDS is found, the case should be "discarded".

1   The surveillance period begins on 1 November 2002 to capture cases of atypical pneumonia in China now recognized as SARS. International transmission of SARS was first reported in March 2003 for cases with onset in February 2003.

2   Close contact: having cared for, lived with, or had direct contact with respiratory secretions or body fluids of a suspect or probable case of SARS.

Source: http://www.who.int/csr/sars/casedefinition/en/

H1N1 Influenza A Swine Flu - For more information

Organisation with information

Information on SARS

Clinical/ Epidemiology Information

Pathology and Laboratory

Radiology

Medical Publication

Other SARS Resources

Coronaviridae Source CDC.Coronavirus particles.

 

Paramyxovirus - For more information

Influenza - For more information and links related to influenza

H5N1 Avian Influenza - Bird Flu - For more information.

Country Coverage

Hong Kong Coverage- SARS

CHINA Coverage- SARS

Singapore Coverage -SARS

Canada Coverage - SARS

Australia Coverage - SARS

French Coverage - SARS

UK Coverage - SARS

Eurosurveillance - SARS

Taiwan - SARS

Malaysia - SARS

New Zealand Coverage - SARS

Respiratory Protection

Related ArticlesThe chest roentgenogram typically shows diffuse bilateral infiltrates. Source: The Internet Journal of Emergency and Intensive Care Medicine TM

Other additional information

News Online : Read the following newspapers for updates.

Worldwide Outbreak Resources

MEDLINE abstracts (NLM PubMed)

Source: National Center For National Biotechnology Information(NCBI). When you read the MEDLINE (NLM PubMed) abstract click on Links: Related Articles.

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First up on 18 March 2003.

Last Updated 13 June 2003

Home

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