Table 1

Number of included and excluded influenza reports for each month and total
Total reports News media Social media
Month Total (%) Total Incl. (%) Excl. (%) Total Incl. (%) Excl. (%)
Reports detected 4441 939 541 (58) 398 (42) 3502 3012 (86) 490 (14)
Febr 1574 (35) 299 204 (68) 95 (32) 1275 1101 (86) 174 (14)
March 1992 (45) 480 276 (58) 204 (42) 1512 1251 (83) 261 (17)
April 875 (20) 160 61 (38) 99 (62) 715 660 (92) 55 (8)

Lehmann et al.

Lehmann et al. BMC Public Health 2013 13:547   doi:10.1186/1471-2458-13-547

Open Data