Table 1 Summary of Hong Kong Influenza surveillance data
Y | Data | Description | Type | Period |
|---|---|---|---|---|
Y1 | flu-HA | Hospital admissions with principle diagnosis of influenza | Count | 1998 to 2011 |
Y2 | GOPC | Weekly ILI consultations at sentinel general out-patient clinics per 1,000 consultations | Percentage | 1998 - 2011 |
Y3 | CCC/KG | Percentage of children at the sentinel child care centers and kindergartens with fever | Percentage | 2007 to 2011 |
Y4 | GP | Weekly ILI consultations at sentinel physicians’ offices per 1,000 consultations | Percentage | 1998 - 2011 |
Y5 | RHE | Average number of elderly with fever per day per 1,000 elderly at the residential care homes | Percentage | 2007 to 2011 |
Y6 | Lab(%pos) | Percentage of confirmed influenza cases among all the tested samples | Percentage | 1997 to 2009 |
Y7 | P&I-HA | Hospital admissions with principle diagnosis of pneumonia and influenza | Count | 1998 to 2011 |
Y8 | P&I-HA (0-15Â yr) | Hospital admissions with principle diagnosis of pneumonia and influenza for patient aged 0 to 15Â years old. | Count | 1998 to 2011 |
Y9 | P&I-HA (65+ yr) | Hospital admissions with principle diagnosis of pneumonia and influenza for patient aged over 65 years old. | Count | 1998 to 2011 |
Y10 | Lab(#spm) | Number of specimens received for laboratory testing | Count | 1997 to 2009 |
Y11 | Lab(#pos) | Number of specimens tested positive for influenza virus | Count | 1997 to 2009 |
Pandemic Only Data Series | ||||
Y12 | DFC | Number of ILI related patient visits at Designated Flu Clinics (8 clinics) | Count | June 13th 2009 – May 23rd 2010 |
Y13 | NID | Number of confirmed influenza infection reports from all registered medical practitioners in HK | Count | April 27th 2009 – October 8th 2010 |
Xc | Incidence rate (5-14 yr) | Reliable estimate for incidence rate among children between 5 to 14 years old based on a serological study | Percentage | June 15th 2009 – November 22nd 2009 |
Xa | Incidence rate (all age) | Reliable estimate for incidence rate for all age group based on a serological study | Percentage | June 15th 2009 – November 22nd 2009 |