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What is the CT threshold for PCR tests in Thailand regarding recently recovered individuals?

PCR Test CT Threshold Thailand Immigration COVID-19 Testing Protocols Expat Health Public Health Policy

Jan 18, 2022

3 years ago

Quest *********

ORIGINAL POSTER

Technical question. Rumor has it that Thailand has a lower threshold for PCR tests that might catch people recently recovered 

I’d like to put fact to this rumor. Does anyone know what CT threshold they use?

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TLDR : Answer Summary

The conversation revolves around the CT threshold used in PCR tests in Thailand, particularly in relation to individuals who have recently recovered from COVID-19. Participants mention varying CT values from different testing experiences, with some reporting thresholds of 40 or 26. There is a concern about whether Thailand's testing policies might catch recently recovered individuals, with suggestions of blood antibody tests as an alternative for those with recovery certificates.

Terary **********

BAHAHAHAH... If there are such scientists that know those things,, they are not in this group.

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Jean ***************

My test yesterday in Bangkok used 40.

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Adrián ******************

I was tested positive after been recovered on December. My results was 26 ct

After talk with the doctor and showed my recovery certificate they gave me the option of doing a blood test to detect antibodies.

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Adrián ******************

Update: I received just now my second PCR results (6 days after my arrival) and it seems for the cutoff for the second is 37 ct

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Quest *********

ORIGINAL POSTER

@Adrián *****************

boom!! That’s what I was looking for. You’re a legend. Thanks bud

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Quest *********

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Adrián ******************

Not overnight but my first pcr result was notified at 9am and for the results of the blood test I had to wait 9 more hours

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Quest *********

ORIGINAL POSTER

@Adrián *****************

thank you for sharing your story. Did they hold you overnight?

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Quest *********

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Will ************

Most countries are either 40 or 45 depending on which test

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Quest *********

ORIGINAL POSTER

Here’s a study that was conducted in Thailand. They used a 40 ct threshold so it’s probably that

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Quest *********

ORIGINAL POSTER

@Will ***********

specifically curious about Thailand threshold. I’m hoping anyone who tested positive there can share the technical details of their report

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Will ************

@Quest ********

38 is positive 40 is a retest and 45 is clear

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Will ************

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