Table 2

Properties of the reference data
Influenza pandemic according to reference data in 2009
Reference data for… Reference data source Geographical level Reporting delay* Start week Peak week Duration (weeks) Duration (days)
EMD-AT, EP-AT Information on sick leave due to acute respiratory infections from a major Tyrolean health insurance. regional information for week x available on week x + 1 44 47 9 67$
(Tyrol, Austria)
EP-BE, Notified influenza cases of the sentinel general practitioner system. national information for week x available on week x + 3 40 44 10 70
ED-BE (Belgium)
ED-ES Notified influenza cases of the sentinel general practitioner system. regional information for week x available on week x + 3 41 (period 1) 43 8 56
(Autonomous Region Cantabria, Spain) 49 (period 2)

*week: Monday (day 1), …, Sunday (day 7).

The course of the autumn/winter wave was derived from regional data of the Tyrolean health insurance; the start week of the autumn/winter wave was derived from national data [27].

$last week of 2009 (week 52) contained 11 days.

Rosenkötter et al.

Rosenkötter et al. BMC Public Health 2013 13:905   doi:10.1186/1471-2458-13-905

Open Data