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Can a vaccinated person still be a spreader
Posted by: Don C
Date: December 04, 2020 10:10PM
Maybe too soon to know, but I am wondering, the vaccine will prepare our bodies to fight off the virus, presumably from the moment that the body recognizes the invasion. But while the fight is going on, can that person be a spreader?
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Re: Can a vaccinated person still be a spreader
Posted by: Sarcany
Date: December 04, 2020 10:33PM
We don't know if someone who has been vaccinated could be a carrier, or for how long, or whether the immunity from a vaccine lasts long enough to be useful. The effects will undoubtedly vary by vaccine and dose and recipient.

We don’t know if vaccinated people can still carry the disease.

We'll find out.



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Re: Can a vaccinated person still be a spreader
Posted by: PeterB
Date: December 04, 2020 10:37PM
Quote
Don C
Maybe too soon to know, but I am wondering, the vaccine will prepare our bodies to fight off the virus, presumably from the moment that the body recognizes the invasion. But while the fight is going on, can that person be a spreader?

The answer to this very question was mentioned on GMA3 either today or yesterday by Dr. Jennifer Ashton, who (though she is hardly an expert on the virus) said that the answer is YES.




Freya says, 'Hello from NOLA, baby!' (Laissez bon temps rouler!)
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Re: Can a vaccinated person still be a spreader
Posted by: Speedy
Date: December 05, 2020 05:40AM
Unlikely. Otherwise a vaccine would never make for herd immunity.



Saint Cloud, Minnesota, where the weather is wonderful even when it isn't.
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Re: Can a vaccinated person still be a spreader
Posted by: Janit
Date: December 05, 2020 08:16AM
It's important that we refrain from assuming that we have achieved herd immunity until there is ample evidence for it. The mobilization of covid vaccines will be a time of transition, and it will be important to maintain masking and social distancing until we have clear data on its success.

This will also be an opportunity to study the development of herd immunity in real time and on a massive scale. Don't assume that the abstract concept of herd immunity, defined in a simplistic way, is an accurate description of the complexity of its real life manifestations.



Edited 1 time(s). Last edit at 12/05/2020 08:17AM by Janit.
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Re: Can a vaccinated person still be a spreader
Posted by: Speedy
Date: December 05, 2020 08:30AM
We still have remnants of the Spanish Flu from a hundred years ago still circulating.



Saint Cloud, Minnesota, where the weather is wonderful even when it isn't.
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Re: Can a vaccinated person still be a spreader
Posted by: Sarcany
Date: December 05, 2020 09:35AM
Quote
Speedy
We still have remnants of the Spanish Flu from a hundred years ago still circulating.

Every major flu outbreak in the last century has been the "Spanish Flu." It mutates, it goes into farm animals, it comes back out as "avian flu" or "swine flu." The H1N1 outbreak in 2009 was a descendant of that Spanish Flu. The "swine flu" expected to hit in 2022 will be a descendant of the Spanish Flu.



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Re: Can a vaccinated person still be a spreader
Posted by: testcase
Date: December 05, 2020 10:49AM
YES!




That said, how LIKELY such an event will occur is anybody's guess.




Speaking for myself, if I'm going to err, it will be to err on the side of caution.
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Re: Can a vaccinated person still be a spreader
Posted by: PeterB
Date: December 05, 2020 03:50PM
Quote
Janit
It's important that we refrain from assuming that we have achieved herd immunity until there is ample evidence for it. The mobilization of covid vaccines will be a time of transition, and it will be important to maintain masking and social distancing until we have clear data on its success.

This will also be an opportunity to study the development of herd immunity in real time and on a massive scale. Don't assume that the abstract concept of herd immunity, defined in a simplistic way, is an accurate description of the complexity of its real life manifestations.

This. I don't think we really have any good idea of how the whole vaccination process is going to go in this case, because it's simply never been done on the scale it is going to be, at the speed with which this is all taking place. Also, I'm wondering if it's truly reasonable to extrapolate from a Stage III trial to the entire country in this case, because of all the groups excluded from the trial...




Freya says, 'Hello from NOLA, baby!' (Laissez bon temps rouler!)
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Re: Can a vaccinated person still be a spreader
Posted by: Sarcany
Date: December 05, 2020 04:29PM
Quote
PeterB
Also, I'm wondering if it's truly reasonable to extrapolate from a Stage III trial to the entire country in this case, because of all the groups excluded from the trial...

That, and there has been no peer review at all and the raw trial-data has not been made public. All we have about safety and efficacy is from press releases and PR stunts by their executives.

Even the FDA Vaccines and Related Biological Products Advisory Committee has been excluded from the review of the Pfizer vaccine. The EUA was issued without contribution from the group. They convened briefly in October and requested information then, but won't have anything until their next meeting on December 10th. The only items the FDA will release prior to the meeting will be a rough preliminary agenda and committee roster. It's supposed to be a transparent public process with a live-stream. So is the Dec. 17th meeting to review the Moderna vaccine.

We'll see if they follow-through.







Edited 1 time(s). Last edit at 12/05/2020 04:30PM by Sarcany.
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