Table 1.
Country | Serum Samples, No. | Collection Period | Material | Estimated Seroincidence (Infections/Person-Year) (95% CI) | Reported Culture-Confirmed Cases, No./100 000 Population | Risk Per 100 000 Swedish Travelers | Laying Hen Holding Prevalence (2004–2005), % | Broiler Flock Prevalence (2005–2006), % | Prevalence in Slaughter Pigs (2006–2007), % |
---|---|---|---|---|---|---|---|---|---|
Austria | 219 | 2012 | Leftover sera | 0.119 (.028–.186) | 17.1 | 12.0 | 15.4 | 5.4 | 2 |
Denmark | 1780 | 2006–2007 | Community-based study | 0.078 (.020–.139) | 30.7 | 3.8 | 2.7 | 1.6 | 7.7 |
England | 500 | 2010 | Leftover sera | 0.095 (.028–.186) | 18.7 | 5.6 | 11.9 | 8.2 | 21.2 |
Finland | 500 | 2000–2001 | Subsamples of serum banks | 0.071 (.020–.139) | 50.5 | 0.4 | 0.4 | 0.1 | 0 |
France | 1010 | 2003–2004 | Routine free health checks | 0.387 (.296–.486) | 10 | 8.4 | 17.2 | 6.2 | 18.1 |
Greece | 500 | 2011 | Blood donors and relatives of patients | 0.205 (.111–.317) | 4.2 | 39.2 | 49.3 | 24 | 24.8 |
Ireland | 500 | 2009 | Pregnancy serum samples | 0.16 (.077–.258) | 7.5 | 3.2 | 1.4 | 27.6 | 16.1 |
Italy | 516 | 2003–2004 | Persons consulting health service | 0.223 (.124–.344) | 11.1 | 12.8 | 29.2 | 28.3 | 16.5 |
The Netherlands | 1065 | 1998–2002 | Subsamples of serum banks | 0.164 (.098–.239) | 20.6 | … | … | … | … |
The Netherlands | 1053 | 2006–2007 | Subsamples of serum banks | 0.147 (.091–.212) | 15.7 | 4.6 | 15.4 | 7.5 | 8.5 |
Poland | 500 | 2004 | Persons consulting health service | 0.549 (.382–.735) | 41.8 | 76.5 | 76.2 | 58.2 | 5.1 |
Romania | 509 | 2007 | Persons consulting district medical service (nongastroenteritis) | 0.357 (.229–.502) | 2.9 | 68.9 | … | … | … |
Spain | 500 | 2012 | Healthy population in Valencia region | 0.608 (.435–.798) | 32.5 | 72.0 | 73.2 | 41.2 | 29 |
Sweden | 525 | 2007–2008 | Subsamples of serum banks | 0.056 (.011–.119) | 43.1 | … | 0 | 0 | 1.3 |
Abbreviation: CI, confidence interval.