QDEL - Quidel more quick diagnosis Message Board

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Biotech / Medical : QDEL - Quidel more quick diagnosis

QDEL 21.36

-3.7%

Nov 14 9:30 AM EST

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To: R. Jaynes who wrote (1209)	10/24/1997 5:48:00 PM
From: Clarksterh	of 1693

RJ - Re:<<But what I found most interesting, with regard to Quidel, is that after someone has tested positive for h. pylori, if that person needs to be tested again for h. pylori, you cannot do a blood test (such as Quidel's) because once you have the bacteruim the body produces antibodies and they will stay in your blood forever, and a blood test for h. pylori will therefore always be positive.>> Maybe, maybe not. It depends on how sensitive the test is, and how the bacteria excites the immune system. The immune system does eventually forget about past infections, especially if they weren't severe to begin with. That is why booster vaccines are needed for some illnesses. Having said that, it is almost certain that the antibody test wouldn't be good for at least several years. Clark

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