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Government of

Information and public services for the Island of Jersey

L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

Covid-19 PCR testing cycles (FOI)

Covid-19 PCR testing cycles (FOI)

Produced by the Freedom of Information office
Authored by Government of Jersey and published on 13 May 2021.
Prepared internally, no external costs.


Please provide a timeline of CT (cycling threshold) rates between March 2020 to date. Is the 40 thermal cycles still being used consistently? If not when was the cycle rate changed, to what rate, and for what reason?


The cycle rates have remained constant throughout - 40 cycles for OpenCell Altona and 45 cycles for the Hospital PCR assay.

Information is available in the public domain in response to previous Freedom of Information (FOI) requests dated 27 April and 2 February 2021. Article 23 of the Freedom of Information (Jersey) Law 2011 has been applied. Please see the following links:

Accuracy PCR tests (FOI)

PCR testing cycles (FOI)

Article applied

Article 23 Information accessible to applicant by other means

(1) Information is absolutely exempt information if it is reasonably available to the applicant, otherwise than under this Law, whether or not free of charge.

(2) A scheduled public authority that refuses an application for information on this ground must make reasonable efforts to inform the applicant where the applicant may obtain the information

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