Updated COVID-19 CDNA National Guidelines for Public Health Units

[Philip Russo]

Dear members

The COVID-19 CDNA National Guidelines for Public Health Units v3.0 has just been published: https://www1.health.gov.au/internet/main/publishing.nsf/Content/cdna-song-novel-coronavirus.htm

The main endorsed changes in this iteration include:

– Revised definition of a probable case (pg 10)

– Revised advice in enhanced testing (pg 11)

– Addition of information on identification of potential source contacts (pg 14)

– Addition of guidance on outbreak investigation and management in high-risk settings (pg 24-29)

For details of all changes, see the revised document. Changes from the last version have been highlighted.

Philip Russo PhD MClinEpid BN, FACIPC
ACIPC President
P +61 3 6281 9239
E admin@acipc.org.au
W acipc.org.au
A 228 Liverpool Street, Hobart TAS 7000, Australia

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[Glenys Harrington]

Hi Phil,

Thanks for forwarding the update.

Is there a reason why there is a variation in the possible infectious period
between the “Identification of potential source contacts” and a “Close
contact definition”? See extracts below.

Are you able you clarify?

Page 14

“Identification of potential source contacts

For most cases, infection is likely to have been acquired 5-7 days prior to
the first reported case becoming symptomatic (i.e. the median incubation
period of the disease) but may be from anyone who has had contact between 14
days and 24 hours before the first reported case became symptomatic (i.e.
the longest and shortest possible incubation periods). These individuals may
be unidentified cases and the transmission source for the first reported
case. Follow-up should occur for any person who in that period had…..”

Page 20

“Close contact definition

A close contact is defined as requiring:

. face-to-face contact in any setting with a confirmed or probable case, for
greater than 15 minutes cumulative over the course of a week, in the period
extending from 48 hours before onset of symptoms in the confirmed or
probable case, or

. sharing of a closed space with a confirmed or probable case for a
prolonged period (e.g. more than 2 hours) in the period extending from 48
hours before onset of symptoms in the confirmed or probable case”

Many thanks in anticipation

Rgards

Glenys

Glenys Harrington

Consultant

Infection Control Consultancy (ICC)

P.O. Box 6385

Melbourne

Australia, 3004

M: +61 404816434

E: infexion@ozemail.com.au

Russo
Guidelines for Public Health Units

Dear members

The COVID-19 CDNA National Guidelines for Public Health Units v3.0 has just
been published:

https://www1.health.gov.au/internet/main/publishing.nsf/Content/cdna-song-no
vel-coronavirus.htm

The main endorsed changes in this iteration include:

– Revised definition of a probable case (pg 10)

– Revised advice in enhanced testing (pg 11)

– Addition of information on identification of potential source
contacts (pg 14)

– Addition of guidance on outbreak investigation and management in
high-risk settings (pg 24-29)

For details of all changes, see the revised document. Changes from the last
version have been highlighted.

Philip Russo PhD MClinEpid BN, FACIPC

ACIPC President

P +61 3 6281 9239

E admin@acipc.org.au

W
acipc.org.au

A 228 Liverpool Street, Hobart TAS 7000, Australia

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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admin@acipc.org.au

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(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.

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