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Hi All,
Just wondering if anyone has heard data regarding false positive RAT in those that have had covid-19.
We have been informed it is pointless to use RAT on those that have had the virus as they often show false positive results ,
Appreciate all feedbackKind Regards
Leanne IAnson
Infection Prevention and Control ManagerTLC Healthcare
Mobile:0487210205
[https://www.tlchealthcare.com.au/assets/email/tlc-healthcare-combined-2018.jpg]MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
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Hi Leanne,
I hope you’re doing well.
People who have tested positive for SARS-CoV-2 can have detectable virus in
upper respiratory secretions for up to 3 months. However, the virus is no
longer replicating – and it is highly unlikely individuals are infectious
– after around 10 (mild-moderate illness) to 20 days (severe illness)
after developing symptoms.So people who have recently recovered from COVID-19 may test positive on
the RAT and the result may be a true positive depending on the timeframe.
But this doesn’t mean they are infectious (same as with PCR test).If a person who had COVID develops symptoms again, and it has been three
months since their first infection, they should get a PCR test as it is
possible to become reinfected with SARS-CoV-2.NSW Health recommends against asymptomatic testing (such as surveillance
testing) for 6 months after a person has recovered from COVID due to the
possibility of a positive result (again, could be true positive but person
not infectious). I can’t find a similar recommendation for Victoria but I
think this is a good guideline to use.Cheers
Crystal*Crystal Polson, MSN, RN, NP, GCert IPC* | Infection Control Coordinator
University of Melbourne | Public Health Network
*M*: 0434 831 715 *E: *crystal.polson@unimelb.edu.au
Please note, I do not work on Fridays
On Thu, Oct 28, 2021 at 10:40 AM Leanne IAnson wrote:
> Hi All,
>
>
>
> Just wondering if anyone has heard data regarding false positive RAT in
> those that have had covid-19.
>
>
>
> We have been informed it is pointless to use RAT on those that have had
> the virus as they often show false positive results ,
>
> Appreciate all feedback
>
>
>
> Kind Regards
>
>
>
> Leanne IAnson
>
> Infection Prevention and Control Manager
>
>
>
> *TLC Healthcare*
>
> Mobile:0487210205
>
> [image:
> https://www.tlchealthcare.com.au/assets/email/tlc-healthcare-combined-2018.jpg%5D
>
>
> MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO
> NOT REPRESENT THE OPINION OF ACIPC.
>
> The use of trade/product/commercial brand names through the list is
> discouraged by ACIPC. If you wish to discuss specific reference to products
> or services by brand or commercial names, please do this outside the list.
>
> Archive of all messages are available at http://aicalist.org.au/archives
> – registration and login required.
>
> Replies to this message will be directed back to the list. To create a new
> message send an email to acipclist@acipc.org.au
>
> To send a message to the list administrator send an email to
> admin@acipc.org.au
>
> You can unsubscribe manually from this list by sending ‘signoff acipclist’
> (without the quotes) to listserv@aicalist.org.au
>MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.
Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au
To send a message to the list administrator send an email to admin@acipc.org.au
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Hi Crystal,
Thank you for your advice , it was very helpful . This will help us make an informed decision.Kind Regards
Leanne IAnson
Infection Prevention and Control ManagerTLC Healthcare
Mobile:0487210205
[https://www.tlchealthcare.com.au/assets/email/tlc-healthcare-combined-2018.jpg]From: ACIPC Infexion Connexion On Behalf Of Crystal Polson
Sent: Thursday, 28 October 2021 12:47 PM
To: ACIPCLIST@ACIPC.ORG.AU
Subject: Re: [ACIPC_Infexion_Connexion] RAT for post covid infectionHi Leanne,
I hope you’re doing well.
People who have tested positive for SARS-CoV-2 can have detectable virus in upper respiratory secretions for up to 3 months. However, the virus is no longer replicating – and it is highly unlikely individuals are infectious – after around 10 (mild-moderate illness) to 20 days (severe illness) after developing symptoms.
So people who have recently recovered from COVID-19 may test positive on the RAT and the result may be a true positive depending on the timeframe. But this doesn’t mean they are infectious (same as with PCR test).
If a person who had COVID develops symptoms again, and it has been three months since their first infection, they should get a PCR test as it is possible to become reinfected with SARS-CoV-2.
NSW Health recommends against asymptomatic testing (such as surveillance testing) for 6 months after a person has recovered from COVID due to the possibility of a positive result (again, could be true positive but person not infectious). I can’t find a similar recommendation for Victoria but I think this is a good guideline to use.
Cheers
CrystalCrystal Polson, MSN, RN, NP, GCert IPC | Infection Control Coordinator
University of Melbourne | Public Health Network
M: 0434 831 715 E: crystal.polson@unimelb.edu.auPlease note, I do not work on Fridays
On Thu, Oct 28, 2021 at 10:40 AM Leanne IAnson <Leanne.IAnson@tlchealthcare.com.au> wrote:
Hi All,Just wondering if anyone has heard data regarding false positive RAT in those that have had covid-19.
We have been informed it is pointless to use RAT on those that have had the virus as they often show false positive results ,
Appreciate all feedbackKind Regards
Leanne IAnson
Infection Prevention and Control ManagerTLC Healthcare
Mobile:0487210205
[https://www.tlchealthcare.com.au/assets/email/tlc-healthcare-combined-2018.jpg]MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.
Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au
To send a message to the list administrator send an email to admin@acipc.org.au
You can unsubscribe manually from this list by sending ‘signoff acipclist’ (without the quotes) to listserv@aicalist.org.au
MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.
Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au
To send a message to the list administrator send an email to admin@acipc.org.au
You can unsubscribe manually from this list by sending ‘signoff acipclist’ (without the quotes) to listserv@aicalist.org.au
MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.
Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au
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Hi Leanne and Crystal,
I could only find 2 articles with the stats for false positives with RAT in general and the articles said 6% and 8% which seems overly high.
This isn’t in regard to people recovering from Covid but I also wonder as we have move into RAT for asymptomatic people in our workplace as a precaution, how high will false positives actually are in general.Interested also in any other information on false positives.
kind regards
Glenda Farmer
Infection control and prevention
Smartdentist.com.au
smarthealthcare.com.au> On 28 Oct 2021, at 12:46 pm, Crystal Polson wrote:
>
> Hi Leanne,
>
> I hope you’re doing well.
>
> People who have tested positive for SARS-CoV-2 can have detectable virus in upper respiratory secretions for up to 3 months. However, the virus is no longer replicating – and it is highly unlikely individuals are infectious – after around 10 (mild-moderate illness) to 20 days (severe illness) after developing symptoms.
>
> So people who have recently recovered from COVID-19 may test positive on the RAT and the result may be a true positive depending on the timeframe. But this doesn’t mean they are infectious (same as with PCR test).
>
> If a person who had COVID develops symptoms again, and it has been three months since their first infection, they should get a PCR test as it is possible to become reinfected with SARS-CoV-2.
>
> NSW Health recommends against asymptomatic testing (such as surveillance testing) for 6 months after a person has recovered from COVID due to the possibility of a positive result (again, could be true positive but person not infectious). I can’t find a similar recommendation for Victoria but I think this is a good guideline to use.
>
>
> Cheers
> Crystal
>
> Crystal Polson, MSN, RN, NP, GCert IPC | Infection Control Coordinator
> University of Melbourne | Public Health Network
> M: 0434 831 715 E: crystal.polson@unimelb.edu.au
>
> Please note, I do not work on Fridays
>
>
>
>
>
>
>
>
> On Thu, Oct 28, 2021 at 10:40 AM Leanne IAnson <Leanne.IAnson@tlchealthcare.com.au > wrote:
> Hi All,
>
>
>
> Just wondering if anyone has heard data regarding false positive RAT in those that have had covid-19.
>
>
>
> We have been informed it is pointless to use RAT on those that have had the virus as they often show false positive results ,
>
> Appreciate all feedback
>
>
>
> Kind Regards
>
>
>
> Leanne IAnson
>
> Infection Prevention and Control Manager
>
>
>
> TLC Healthcare
>
> Mobile:0487210205
>
>
>
>
>
> MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
> The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
>
> Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.
>
> Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au
> To send a message to the list administrator send an email to admin@acipc.org.au
> You can unsubscribe manually from this list by sending ‘signoff acipclist’ (without the quotes) to listserv@aicalist.org.au MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
> The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
>
> Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.
>
> Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au
> To send a message to the list administrator send an email to admin@acipc.org.au
> You can unsubscribe manually from this list by sending ‘signoff acipclist’ (without the quotes) to listserv@aicalist.org.auMESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
Archive of all messages are available at http://aicalist.org.au/archives – registration and login required.
Replies to this message will be directed back to the list. To create a new message send an email to acipclist@acipc.org.au
To send a message to the list administrator send an email to admin@acipc.org.au
You can unsubscribe manually from this list by sending ‘signoff acipclist’ (without the quotes) to listserv@aicalist.org.au
- The forum ‘Infexion Connexion’ is closed to new topics and replies.