Volume 19, Number 11—November 2013
Dispatch
Building Influenza Surveillance Pyramids in Near Real Time, Australia
Craig B. Dalton
, Sandra J. Carlson, Michelle T. Butler, Elissa Elvidge, and David N. Durrheim
, Sandra J. Carlson, Michelle T. Butler, Elissa Elvidge, and David N. Durrheim
Table
Comparison of 6 weekly Flutracking surveillance pyramid results, Australia, 2011 and 2012*
| Participant characteristic | Weeks ending, no. (%) |
|||||||
|---|---|---|---|---|---|---|---|---|
| May 8–Jun 12, 2011 | May 6–Jun 10, 2012 | Jun 19–Jul 24, 2011 | Jun 17–Jul 22, 2012 | Jul 31–Sep 4, 2011 | Jul 29–Sep 2, 2012 | Sep 11–Oct 16, 2011 | Sep 9–Oct 14, 2012 | |
| Positive laboratory test result | 9 (0.5) | 4 (0.2) | 8 (0.4) | 21 (0.6) | 15 (0.7) | 32 (1.1) | 13 (0.8) | 10 (0.6) |
| Laboratory test for influenza | 24 (1.2) | 26 (1.1) | 38 (1.8) | 35 (1.1) | 28 (1.2) | 91 (3.0) | 26 (1.6) | 21 (1.3) |
| Sought medical advice (GP/ED/inpatient) | 569 (28.9) | 679 (28.5) | 690 (32.4) | 1,052 (32.0) | 698 (31.1) | 1,054 (34.5) | 573 (34.4) | 521 (31.6) |
| Reported fever and cough | 1,967 (100.0) | 2,380 (100.0) | 2,131 (100.0) | 3,289 (100.0) | 2,246 (100.0) | 3,059 (100.0) | 1,665 (100.0) | 1,651 (100.0) |
| No. surveys completed | 64,869 | 77,235 | 67,612 | 81,365 | 67,006 | 81,385 | 64,290 | 78,317 |
| Ratio of positive laboratory test results to cough and fever | 1:218 | 1:595 | 1:266 | 1:157 | 1:150 | 1:96 | 1:128 | 1:165 |
*GP, general practitioner; ED, emergency department.
Page created: October 31, 2013
Page updated: October 31, 2013
Page reviewed: October 31, 2013
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.