SARS - what next? Message Board

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Pastimes : SARS - what next?

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To: Ilaine who wrote (647)	8/14/2003 10:28:59 PM
From: Henry Niman	of 1070

This story has been evolving all day and the media report below gives the most detail, including the fact that one of the three patients that died with pneumonia also had a positive lab test for SARS CoV. The report indicates that two different tests were run on small number of patients and over 50% were positive. I believe this same lab was producing positive PCR rates of 40% on probable SARS cases from Toronto when the epidemic was raging there. It seems likely that the two tests described below were the PCR test (10/19 positive) and the antibody test (4/7 positive), which strongly suggests that these are SARS cases, although the symptoms may be milder because the virus is not as potent or severe cases require seasonal co-factors not present in July/August in Vancouver. It is not clear why the patient who died with pneumonia and a positive SARS CoV test would not be a SARS death, although the report below seems to indicate that the death is not being classified as SARS at this time. >===== Original Message From "Henry L Niman, PhD" <henry_niman@hms.harvard.edu> ===== canada.com Tests turn up SARS-like virus among sick at B.C. nursing home EMILY YEARWOOD-LEE Canadian Press Thursday, August 14, 2003 VANCOUVER (CP) - Health authorities are investigating the presence of a mysterious SARS-like virus that swept through a suburban Surrey nursing home where several residents died recently.

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