Table 6: Comparative analysis of number of cases and deaths recorded from 2015 to 2017 during summer Influenza in Hong Kong.
| Season and duration of influenza virus outbreak | Total number of cases | Total number of deaths | % of death among total cases |
|---|---|---|---|
| 2007 summer (H3N2, May 5-August 2) | 14,713 (90 days so far) | 306 | 2.1% |
| 2016 summer (H1N1, September 23-October 27) | 1597 (35 days) | 40 | 2.5% |
| 2016 Winter (H1N1, January 29-May 20) | 11159 (113 days) | 212 | 1.9% |
| 2015 Summer (H3N2, June 12-August 7) | 4129 (57 days) | 135 | 3.3% |