Table 2. Practitioners and patient recruitment in the 2009–2010 influenza season relevant to the I-MOVE study.
| Study Site | Practitioners in the National Sentinel System, n | Practitioners Accepting to Participate in the Study, n | Practitioners Recruiting at Least One ILI Patienta, n | ILI Patientsa Recruited by Practitioners, n | Inclusion Period for the Studyb | ILI Patients Included in the Study Positive for Influenza A (H1N1) 2009c, n | ILI Patients Included in the Study Negative for Influenza A (H1N1) 2009c, n | ||
| Total | Vaccinated | Total | Vaccinated | ||||||
| France | 550 | 550 | 429 | 1,908 | 4/11/2009–28/2/2010 | 720 | 3 | 1,172 | 63 |
| Hungary | 168 | 87 | 63 | 361 | 8/12/2009–14/3/2010 | 55 | 6 | 306 | 100 |
| Ireland | 137 | 48 | 19 | 77 | 17/11/2009–10/1/2010 | 29 | 1 | 48 | 2 |
| Italy | 1,163 | 47 | 21 | 69 | 03/11/2009–13/12/2009 | 18 | 0 | 44 | 0 |
| Portugal | 150 | 53 | 32 | 186 | 10/11/2009–21/2/2010 | 31 | 0 | 155 | 10 |
| Romania | 270 | 102 | 12 | 24 | 17/12/2009–31/1/2010 | 5 | 1 | 19 | 1 |
| Spain | 880 | 227 | 123 | 301 | 01/12/2009–7/2/2010 | 60 | 1 | 240 | 9 |
| Total | 3,318 | 1,114 | 699 | 2,926 | 918 | 12 | 1,984 | 185 | |
a
ILI patients meeting the EU case definition, swabbed <8 d after onset of symptoms within the study period.
b
For each study site, from 15 d after the start of the vaccination campaign up to the week that preceded 2 consecutive weeks in which none of the ILI patients recruited tested positive for influenza A (H1N1) 2009 recruited. In Hungary, the start of the study period was the week of receiving the agreement from the Ethics Committee.
c
ILI patients in the study after excluding those having tested previously to pH1N1, those positive to other influenza virus, and those with missing information on laboratory results.