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- Newsgroups: rec.pets.cats
- Path: sparky!uunet!paladin.american.edu!gatech!rpi!batcomputer!cornell!uw-beaver!news.u.washington.edu!serval!wsuaix.csc.wsu.edu!jeffp
- From: jeffp@wsuaix.csc.wsu.edu (Jeff Parke;S10000)
- Subject: Re: Pregnant women/litter question
- Message-ID: <1992Dec22.014248.5338@serval.net.wsu.edu>
- Sender: news@serval.net.wsu.edu (USENET News System)
- Organization: Washington State University
- References: <1992Dec21.144245.20299@cbfsb.cb.att.com> <1992Dec21.200149.24162@netcom.com>
- Distribution: usa
- Date: Tue, 22 Dec 92 01:42:48 GMT
- Lines: 32
-
- In article <1992Dec21.200149.24162@netcom.com> wd6cmu@netcom.com (Eric Williams) writes:
- >I think you can have your cats tested for toxoplasmosis. If they don't
- >have it, you don't need to worry. Very few cases are actually caused
- >by cat feces, most are from uncooked meat.
-
- SORRY, NOT!
- If your cat is negative for toxo, it probably *increases* the odds of your cat
- shedding toxo oocysts at some unknown time in the future. In fact, many
- cats will test positive, and many of these will have gone through an active
- oocyst shedding period at some time in the past and will be less likely
- to do so again, compared to a naive cat that has just become infected.
-
- I'm sure this is hard to follow. The infection is permanent in cats, but
- goes through a relatively short period of time in which infective toxo
- oocysts are shed in the feces. Problem is, that is the "usual" case.
-
- Reshedding can occur, and there is no way to predict how or when. A cat that
- has just contracted the disease is very likely to begin shedding oocysts.
- So the cat that tests negative is more at risk to put you at risk. And the
- cat that tests positive could put you at risk too. The only test that
- can minimize your worries is a toxo titer done before you become pregnant.
- If you are positive, it substantially reduces the risk that you would become
- re-infected. And only active infection can cross the placenta and harm
- the human fetus. But this is the realm of human medicine; consult your
- doctor, don't go around believing anything you read on UseNet when it comes
- to your future baby.
-
- ---------------------
- Jeff Parke <jeffp@vcs10.vetmed.wsu.edu>
- also: jeffp@WSUVM1.bitnet AOL: JeffParke
- Washington State University College of Veterinary Medicine class of 1994
- Pullman, WA 99164-7012
-