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Pastimes : SARS - what next? -- Ignore unavailable to you. Want to Upgrade?

To: Henry Niman who wrote (541)	6/17/2003 12:05:38 PM
From: Ilaine	Read Replies (2) \| Respond to of 1070

"Weakly positive" is still positive, right? My recollection is that for PCR there are almost no false positives, and a weak positive is due to the way the test was run. SARS is so rare I don't see how you can get a false positive, because contamination is unlikely. I guess the same labs are running all the samples. So "weakly positive" = grasping at straws, probably. And "weird results" means "we don't like what we're seeing." Getting SARS from no known contact is what is to be expected, as it is known that there are asymptomatic positives. What concerns me is that I fear that definite SARS cases are being treated as "suspect" because they are clinically SARS but don't otherwise fit the definition (negative test, no known contact).