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Cryptosporidium parvum viability

wick at cris.com wick at cris.com
Thu Dec 7 13:04:47 EST 1995

>   WILSONJ at NER66.NER.ORA.FDA.GOV writes:
>  Does anyone know if viability of Cryptosporidium equals infectivity?
>  In other words, does the release of sporozoites from the oocyst mean that they
>  are infectious?
I would also  be interested in knowing the answer to this question. It is my understanding that formalin treatment renders crytpo 
oocysts non-viable. Therefore, excystation of sporozoites from formalin treated oocysts would be non-infective.

I am intereseted in why you raise this issue.Jim Wick

E-mail:		wick at cris.com		
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"Don't precipitate more than you can resuspend"

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