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How many contacts became cases in Covid-19 contact tracing?

Al made this Official Information request to Health New Zealand

The request was successful.

From: Al

Hi everyone,

Could i please know how many of the following contact types that were in use during Covid resulted in positive cases?

There might be double ups i assume in the numbers - for instance someone was a contact in more than 1 contact encounter in say August then another 1 in September 2021. That's okay.

These are the contact classifications i've found:
Close contact
Household contact
Close plus
Casual contact
Casual plus contact
Secondary contact

Against each contact classification i'd like to know for both 2020 and 2021 and 2022 if it exists:

- By year how many were identified in total (a raw number)
- By year how many of these contacts identified actually became a case.

So at a minimum i'm expecting to see:

Close plus:
- x found in 2021 and
- x resulted in becoming a case.

And so on...

I hope my request is clear and thank you for your help,
Al

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From: hnzOIA
Health New Zealand

Tēnā koe, 

 

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From: hnzOIA
Health New Zealand

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Kia ora Al
 
Thank you for your request for information. Please find attached our
response to your request.
 
If you have any questions please get in touch at
[1][Health New Zealand request email]. 
 
If you are not happy with this response, you have the right to make a
complaint to the Ombudsman. Information about how to do this is available
at [2]www.ombudsman.parliament.nz  or by phoning 0800 802 602.
 
Ngâ mihi
Ministerial Services

Te Whatu Ora – Health New Zealand
TeWhatuOra.govt.nz
 

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Al left an annotation ()

There is no clarity or understanding on whether contact tracing worked.

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