regarding CT thresholds used for COVID19
Simon made this Official Information request to Ministry of Health
The request was successful.
From: Simon
Dear Ministry of Health,
I’ve read other requests and discovered the PCR test is run through to 40 cycles.
However numerous publications state that anything over 30 will produce large amounts of false positives. One country has banned anything over 25 cycles due to the alarm false positives cause.....My questions 1: why is New Zealand running at 40?? 2: on January 20 WHO change its guidelines, has New Zealand adopted these guidelines ? 3: what are the current cycle threshold settings?
Yours faithfully,
Simon.
From: OIA Requests
Kia ora
Thank you for your request for official information received on 22 March
2021 for:
"However numerous publications state that anything over 30 will produce
large amounts of false positives. One country has banned anything over 25
cycles due to the alarm false positives cause.....My questions 1: why is
New Zealand running at 40?? 2: on January 20 WHO change its guidelines,
has New Zealand adopted these guidelines ? 3: what are the current cycle
threshold settings?"
The Ministry's reference number for your request is: H202103319.
As required under the Official Information Act 1982, the Ministry will
endeavour to respond to your request no later than 21 April 2021, being 20
working days after the day your request was received.
If we are unable to respond to your request within this time frame, we
will notify you of an extension of that time frame.
If you have any queries related to this request, please do not hesitate to
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Ngā mihi
OIA Services
Government Services
Office of the Director-General
Ministry of Health
E: [1][email address]
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From: OIA Requests
Kia ora Simon
Please find attached a letter regarding your request for information.
Nga mihi
OIA Services Team
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From: Simon <[FOI #14979 email]>
Sent: Monday, 22 March 2021 16:02
To: OIA Requests <[email address]>
Subject: Official Information request - regarding CT thresholds used for
COVID19
Dear Ministry of Health,
I’ve read other requests and discovered the PCR test is run through to 40
cycles.
However numerous publications state that anything over 30 will produce
large amounts of false positives. One country has banned anything over 25
cycles due to the alarm false positives cause.....My questions 1: why is
New Zealand running at 40?? 2: on January 20 WHO change its guidelines,
has New Zealand adopted these guidelines ? 3: what are the current cycle
threshold settings?
Yours faithfully,
Simon.
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