Re: Re[2]: [at-l] Giardia's dirty little secret.

>In a message dated 10/21/98 4:36:12 PM EDT,
tmcginnis@ucclan.state.in.us
>writes:
>
><<   look for a CDC source. >>
>It was a CDC source.
>
>This is from a document writen by:
>
>By Dennis D. Juranek Chief, Epidemiology Activity
>Parasitic Diseases Branch
>Division of Parasitic Diseases
>Centers for Disease Control
>_________________________
>
>"During the past 10 years, scientific knowledge about what
is required to
>kill or remove Giardia cysts from a contaminated water
supply has
>increased considerably. For example, it is known that cysts
can survive
>in cold water (4 deg C) (39.2 deg F) for at least 2 months
and that they are
>killed
>instantaneously by boiling water (100 deg C) (212 deg F).
It is not known
>how long the cysts will remain viable at other water
temperatures (e.g.,
>at 0 deg C or in a canteen at 15-20 deg C), nor is it known
how long the
>parasite will survive on various environment surfaces,
e.g., under a
>pine tree, in the sun, on a diaper-changing table, or in
carpets in a
>day-care center. "
>
>The document is posted on the Campmor Web Site.
> <A
HREF="http://www.campmor.com/water.filters/giardiasis.html">
Giardiasis</A>
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http://www.backcountry.net  *
>


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