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New Zealand Influenza Surveillance 2014

Ronan Kelly

Ronan Kelly

Retired 2020
Link to 2013 thread: http://www.flutrackers.com/forum/showthread.php?t=205958

Link to PHS Archive: https://surv.esr.cri.nz/virology/influenza_weekly_update.php

INFLUENZA WEEKLY UPDATE
2014/18: 28 April - 4 May 2014

The national influenza surveillance system in New Zealand is an essential public health component for
assessing and implementing strategies to control influenza. This report summarises the data collected from
sentinel general practice (GP) surveillance and non-sentinel surveillance for week 18 (28 April ? 4 May 2014).


Summary
 ILI through sentinel surveillance was reported from 14 out of 20 District Health Boards (DHB) with a
national consultation rate of 10.8 per 100 000 (31 ILI consultations).
 A total of 145 swabs were received from sentinel (17) and non-sentinel (128) surveillance.
 23 viruses were identified: A(H1N1)pdm09 (10), A(H3N2) (5) including one A/Victoria/361/2011
(H3N2), B (4) including three B/Wisconsin/1/2010-like virus and one B/Brisbane/60/2008-like virus,
and A (not sub-typed) (4).

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 31 consultations for influenza-like illness were reported from 51 general practices
in 14 out of 20 DHBs. This gives a weekly consultation rate of 10.8 per 100 000 patient population. Figure 1
shows the weekly national consultation rate for 2014 in comparison to the average epidemic curve in 2000?
2013 (excluding 2009). For more details on threshold definitions, see Appendix. The current rate of
influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201418.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/19: 5?11 May 2014

The national influenza surveillance system in New Zealand is an essential public health component for
assessing and implementing strategies to control influenza. This report summarises the data collected from
sentinel general practice (GP) surveillance and non-sentinel surveillance for week 19 (5?11 May 2014).


Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 16.4 per 100 000 (47 ILI consultations).
 A total of 227 swabs were received from sentinel (25) and non-sentinel (202) surveillance.
 12 viruses were identified: A(H1N1)pdm09 (4), A(not sub-typed) (3), A(H3N2) (3), and B (lineage not
determined) (2).

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 47 consultations for influenza-like illness (ILI) were reported from 55 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 16.4 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201419.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/20: 12?18 May 2014

Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 12.3 per 100 000 (37 ILI consultations).
 A total of 205 swabs were received from sentinel (15) and non-sentinel (190) surveillance.
 32 viruses were identified: A(H1N1)pdm09 (14) including nine A/California/7/2009 (H1N1)-like
viruses, B (13) including nine B/Wisconsin/1/2010-like and one B/Brisbane/60/2008-like, A(H3N2) (3)
including one /Victoria/361/2011 (H3N2)-like virus, and A(not sub-typed) (2).

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 37 consultations for influenza-like illness (ILI) were reported from 58 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 12.3 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201420.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/21: 19?25 May 2014

Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 14.7 per 100 000 (44 ILI consultations).
 A total of 193 swabs were received from sentinel (14) and non-sentinel (179) surveillance.
 16 viruses were identified: A (not sub-typed) (6), A(H1N1)pdm09 (7) including three
A/California/7/2009 (H1N1)-like viruses, and influenza B (3) including two B/Brisbane/60/2008-like
and one B/Wisconsin/1/2010-like.


INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 44 consultations for influenza-like illness (ILI) were reported from 56 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 14.7 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201421.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/22: 26 May?1 June 2014


Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 15.8 per 100 000 (47 ILI consultations).
 A total of 196 swabs were received from sentinel (20) and non-sentinel (176) surveillance.
 22 viruses were identified: A (not sub-typed) (11), A(H1N1)pdm09 (9) and A(H3N2) (2).


INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 47 consultations for influenza-like illness (ILI) were reported from 55 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 15.8 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201422.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/23: 2?8 June 2014
...
Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 18.2 per 100 000 (52 ILI consultations).
 A total of 206 swabs were received from sentinel (11) and non-sentinel (195) surveillance.
 23 viruses were identified: A (not sub-typed) (14), A(H1N1)pdm09 (7), A(H3N2) (1) and B (not
antigenically typed) (1).

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 52 consultations for influenza-like illness (ILI) were reported from 55 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 18.2 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201423.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/24: 9?15 June 2014
...

Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 25.9 per 100 000 (78 ILI consultations).
 A total of 236 swabs were received from sentinel (35) and non-sentinel (201) surveillance.
 43 viruses were identified: A(H1N1)pdm09 (25) including one A/California/7/2009 (H1N1)-like, A (not
sub-typed) (16), and A(H3N2) (2).

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 78 consultations for influenza-like illness (ILI) were reported from 57 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 25.9 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.

NZ.png

...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201424.pdf
 
Re: New Zealand Influenza Surveillance 2014

2014/25: 16?22 June 2014
...
Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 29.8 per 100 000 (87 ILI consultations).
 A total of 354 swabs were received from sentinel (34) and non-sentinel (320) surveillance.
 70 viruses were identified: A(H1N1)pdm09 (32) including four A/California/7/2009 (H1N1)-like,
A(H3N2) (1), A (not sub-typed) (26), and B (11) including four B/Wisconsin/1/2010-like viruses and
one of B/Brisbane/60/2008-like viruses.

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 87 consultations for influenza-like illness (ILI) were reported from 56 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 29.8 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.

NZ.png

...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201425.pdf
 
Re: New Zealand Influenza Surveillance 2014

2014/26: 23?29 June 2014
...
Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 33.6 per 100 000 (95 ILI consultations).
 A total of 392 swabs were received from sentinel (45) and non-sentinel (347) surveillance.
 95 viruses were identified: A(H1N1)pdm09 (55) including one A/California/7/2009 (H1N1)-like,
A(H3N2) (3), A (not sub-typed) (32), and B (5) including three B/Wisconsin/1/2010-like viruses.

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 95 consultations for influenza-like illness (ILI) were reported from 54 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 33.6 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201426.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/27: 30 June?6 July 2014
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201427.pdf
...

Summary
 ILI through sentinel surveillance was reported from 16 out of 20 District Health Boards (DHB) with a
national consultation rate of 40.2 per 100 000 (113 ILI consultations).
 A total of 486 swabs were received from sentinel (36) and non-sentinel (450) surveillance.
 149 viruses were identified: A(H1N1)pdm09 (69) including 12 A/California/7/2009 (H1N1)-like,
A(H3N2) (4), A (not sub-typed) (69), and B (7) including one B/Wisconsin/1/2010-like viruses.

INFLUENZA-LIKE ILLNESS SURVEILLANCE

In the past week, a total of 113 consultations for influenza-like illness (ILI) were reported from 56 general
practices in 16 out of 20 DHBs. This gives a weekly consultation rate of 40.2 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is above the seasonal threshold.

NZ.png

...
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/29: 14?20 July 2014
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201429.pdf

Summary
 ILI through sentinel surveillance was reported from 16 out of 20 District Health Boards (DHB) with a
national consultation rate of 32.3 per 100 000 (93 ILI consultations).
 A total of 515 swabs were received from sentinel (32) and non-sentinel (483) surveillance.
 197 viruses were identified: A(H1N1)pdm09 (94) including 11 A/California/7/2009 (H1N1), A(H3N2)
(12), A (not sub-typed) (82), and B (not lineage typed) (9).

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 93 consultations for influenza-like illness (ILI) were reported from 54 general
practices in 16 out of 20 DHBs. This gives a weekly consultation rate of 32.3 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/30: 21?27 July 2014

Summary
 ILI through sentinel surveillance was reported from 16 out of 20 District Health Boards (DHB) with a
national consultation rate of 39.9 per 100 000 (113 ILI consultations).
 A total of 618 swabs were received from sentinel (44) and non-sentinel (574) surveillance.
 231 viruses were identified: A(H1N1)pdm09 (98) including nine A/California/7/2009 (H1N1), A(H3N2)
(15), A (not sub-typed) (109), and B (not lineage typed) (9).

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 113 consultations for influenza-like illness (ILI) were reported from 54 general
practices in 16 out of 20 DHBs. This gives a weekly consultation rate of 39.9 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is above the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201430.pdf
 
Re: New Zealand Influenza Surveillance 2014

week 31 (28 July?3 August 2014).
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201431.pdf

Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 45.8 per 100 000 (125 ILI consultations).
 A total of 653 swabs were received from sentinel (48) and non-sentinel (605) surveillance.
 275 viruses were identified: A(H1N1)pdm09 (134) including 11 A/California/7/2009 (H1N1)-like,
A(H3N2) (23), A (not sub-typed) (99), and B (19) including three B/Massachusetts/02/2012-like.

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 125 consultations for influenza-like illness (ILI) were reported from 55 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 45.8 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is above the seasonal threshold.

NZ.png
...
 
Re: New Zealand Influenza Surveillance 2014

below the average seasonal curve

bad in 2010,2012
mild in 2011,2013,2014


I prefer NZ over AUS - easier to follow, AUS is complicated



google flu trend has it worse than any of the 6 previous years, except 2009
 

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Re: New Zealand Influenza Surveillance 2014

2014/32: 4?10 August 2014

Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 51.0 per 100 000 (149 ILI consultations).
 A total of 556 swabs were received from sentinel (39) and non-sentinel (517) surveillance.
 306 viruses were identified: A(H1N1)pdm09 (113), A(H3N2) (11), A (not sub-typed) (164), and B (not
lineage typed) (18).

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 149 consultations for influenza-like illness (ILI) were reported from 56 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 51.0 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is above the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201432.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/33: 11?17 August 2014

Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 45.3 per 100 000 (137 ILI consultations).
 A total of 776 swabs were received from sentinel (48) and non-sentinel (728) surveillance.
 323 viruses were identified: A(H1N1)pdm09 (168) including nine A/California/7/2009 (H1N1)-like
viruses, A(H3N2) (30), A (not sub-typed) (97), and B (not lineage typed) (28).

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 137 consultations for influenza-like illness (ILI) were reported from 58 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 45.3 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is above the seasonal threshold.

NZ.png
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201433.pdf
 
Re: New Zealand Influenza Surveillance 2014

my summary: very few (?)

while Australia has much


well, I assume that the bad seasons 2010 and 2012 dominate the average curve

2013 was also mild, 2014 a little worse than that
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/35: 25?31 August 2014
...
Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 36.9 per 100 000 (113 ILI consultations).
 A total of 674 swabs were received from sentinel (37) and non-sentinel (637) surveillance.
 332 viruses were identified: A(H1N1)pdm09 (109) including six A/California/7/2009 (H1N1)-like,
A(H3N2) (39) including one A/Texas/50/2012 (H3N2)-like, A (not sub-typed) (150), and B (not lineage
typed) (34).

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 113 consultations for influenza-like illness (ILI) were reported from 60 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 36.9 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is slightly above the seasonal threshold.

NZ.png



https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201435.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/37: 8?14 September 2014
...
Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 31.7 per 100 000 (96 ILI consultations).
 A total of 677 swabs were received from sentinel (33) and non-sentinel (644) surveillance.
 246 viruses were identified: A(H1N1)pdm09 (56), A(H3N2) (51), A (not sub-typed) (99), and B (lineage
not typed) (40).

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 96 consultations for influenza-like illness (ILI) were reported from 58 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 31.7 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201437.pdf
 
Re: New Zealand Influenza Surveillance 2014

INFLUENZA WEEKLY UPDATE
2014/38: 15?21 September 2014

Summary
 ILI through sentinel surveillance was reported from 17 out of 20 District Health Boards (DHB) with a
national consultation rate of 20.3 per 100 000 (59 ILI consultations).
 A total of 549 swabs were received from sentinel (25) and non-sentinel (524) surveillance.
 198 viruses were identified: A(H1N1)pdm09 (31) including eight A/California/7/2009 (H1N1)-like,
A(H3N2) (78), A (not sub-typed) (57), and B (32) including three B/Massachusetts/02/2012-like.

INFLUENZA-LIKE ILLNESS SURVEILLANCE
In the past week, a total of 59 consultations for influenza-like illness (ILI) were reported from 56 general
practices in 17 out of 20 DHBs. This gives a weekly consultation rate of 20.3 per 100 000 patient
population. Figure 1 shows the weekly national consultation rate for 2014 in comparison to the average
epidemic curve in 2000?2013 (excluding 2009). For more details on threshold definitions, see Appendix.
The current rate of influenza-like illness is below the seasonal threshold.
...
https://surv.esr.cri.nz/PDF_surveillance/Virology/FluWeekRpt/2014/FluWeekRpt201438.pdf
 
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