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.

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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.
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