Table 2 The influenza start weeks for each age-group. Here, we record Wednesday of that week. Except for the 2011–12 season, the 5–19 age-group starts earlier than the other age-group
From: Early detection of influenza outbreak using time derivative of incidence
2009–10 | 2010–11 | 2011–12 | 2012–13 | 2013–14 | 2014–15 | 2015–16 | |
|---|---|---|---|---|---|---|---|
0–4 | 2009-08-12 | 2010–11-24 | 2011-12-14 | 2013-01-09 | 2013-12-18 | 2014-12-24 | 2015-12-16 |
5–19 | 2009-08-12 | 2010-11-24 | 2011-12-21 | 2013-01-09 | 2013-12-11 | 2014-12-10 | 2015-12-16 |
20–64 | 2009-08-12 | 2010-12-08 | 2011-12-28 | 2013-01-09 | 2013-12-25 | 2014-12-24 | 2015-12-23 |
65+ | 2009-09-30 | 2010-12-15 | 2011-12-28 | 2013-01-09 | 2013-12-25 | 2014-12-24 | 2015-12-23 |