This link explains what "sheeding" a virus means.

http://en.wikipedia.org/wiki/Viral_shedding

 Don't Litter, Fix Your Critter! www.Furkids.org
 


________________________________
From: Natalie <at...@optonline.net>
To: felvtalk@felineleukemia.org
Sent: Wednesday, August 3, 2011 10:38 AM
Subject: Re: [Felvtalk] doubts on two FeLV positive kitties

I think that their immune systems are getting rid of the virus by "eating it
up", "absorbing" it, NOT expelling it to infect others.  I bet they don't
know....I will ask my vet next time I see him....

-----Original Message-----
From: felvtalk-boun...@felineleukemia.org
[mailto:felvtalk-boun...@felineleukemia.org] On Behalf Of Maureen Olvey
Sent: Wednesday, August 03, 2011 10:32 AM
To: felvtalk@felineleukemia.org
Subject: Re: [Felvtalk] doubts on two FeLV positive kitties


That's what we're wondering - whether the virus is shed into their saliva
while their immune system is still fighting the virus.  If the ELISA is
positive but the IFA is still negative are the cats able to infect another
cat.  My book said that when the IFA is positive the cats are able to infect
other cats.  It didn't say that about when the ELISA is positive but the IFA
is negative.  It didn't say anything at all about that situation so we're
wondering at what point in the progression of the disease is the cat able to
infect another cat.  Since the ELISA test can use saliva or blood to detect
the virus then that means the virus is in the saliva at that point right,
and I would think it would be able to infect another cat.  But that may not
be correct.  Maybe the virus can't be spread until it's progressed all the
way through the body and has gone into the white blood cells.  Maybe once
the virus goes into the bone marrow and white blood cells it changes or
mutates into a way that makes it contagious.  I don't know, it's weird.  I
guess if the experts don't know then I'll never figure it out either.


"I am not interested to know whether vivisection produces results that are
profitable to the human race or doesn't..the pain which it inflicts upon
unconsenting animals is the basis of my enmity toward it, and it is to me
sufficient justification of the enmity without looking further." - Mark
Twain

> Date: Wed, 3 Aug 2011 10:10:37 -0400
> From: at...@optonline.net
> To: felvtalk@felineleukemia.org
> Subject: Re: [Felvtalk] doubts on two FeLV positive kitties
> 
> So, does that mean that as positive kittens'/cats' virus is being fought
by
> their immune systems, they are contagious?  I have heard vets use the term
> "shedding" in this context since the 90s, NOT meaning that they are
> infectious during that time.
> What a little word can mean.....
> 
> -----Original Message-----
> From: felvtalk-boun...@felineleukemia.org
> [mailto:felvtalk-boun...@felineleukemia.org] On Behalf Of Beth
> Sent: Wednesday, August 03, 2011 9:50 AM
> To: felvtalk@felineleukemia.org
> Subject: Re: [Felvtalk] doubts on two FeLV positive kitties
> 
> Shedding a virus means they are contagious.
> 
> Beth  
> 
>  Don't Litter, Fix Your Critter! www.Furkids.org
>  
> 
> 
> ________________________________
> From: Natalie <at...@optonline.net>
> To: felvtalk@felineleukemia.org
> Sent: Wednesday, August 3, 2011 9:19 AM
> Subject: Re: [Felvtalk] doubts on two FeLV positive kitties
> 
> Are we talking about two kinds of shedding of the virus?
> When I say shedding the virus, I mean that as the immune system develops,
> the body gets rid of the virus.
> Could it also mean that as the virus infects while shedding?


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