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Toxoplasma gondii

Dr. Peter W. Pappas pappas.3 at osu.edu
Sun Dec 26 07:06:23 EST 1999

Toxoplasma gondii, protozoan parasite, causes toxoplasmosis.  The parasite
has a world wide distribution.  Surveys suggest that about 30% of the US
population is infected, and in some countries (e.g., France) as many as
80-90% of the population may be infected.  This is not "new" news - it's
been known for many years.  It seems that in a vast majority of cases, the
parasite causes little if any pathology, but there are exceptions in which
the parasite can be virulent.  Humans can get the infection from cats, but
it is probably more likely that most humans get infected by eating raw or
undercooked meat that is infected.

You can find out more about Toxoplasma gondii at the following address:


Dr. Peter W. Pappas
Department of EEOB
The Ohio State University
1735 Neil Avenue
Columbus, OH  43210
Phone: 614-292-2746
FAX: 614-292-2030
e-mail: pappas.3 at osu.edu
Pavel <pneud at sympatico.ca> wrote in message
news:38644A79.948F87D6 at sympatico.ca...
> Can someone tell me more about this parasite?
> Supposedly, humans most often contract it from cats.  It results in a
> slowing of reflex responses and in significant personaility changes
> through a disease called, I beleive, toxoplamosis.  Researchers at the
> Charles University in Prague have recently discovered that it may be
> affecting around a third of the world's poplulation: in France and
> Germany, the incidence may be as high as 70% and in parts of Africa up
> to 90%.
> To me, it sounds like this parasite is similar to trichanosis in that it
> lays dormant in cysts within brain and muscle tissue.

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