| England and Wales | Kilifi | Nha Trang | Finland |
---|---|---|---|---|
Demographics | 2001/2002 [39] | 2009 [40] | 2006 [41] | 2000 [42] |
Physical contacts | 2005/2006 [29] | 2011 [31] | 2010 [35] | 2005/2006 [29] |
Carriage | 2001/2002 [30] | 2009 [32] | 2008 [43] | 1994–2002 [34] |
Clearance rates | 2001/2002 [36] | 2006–2008 [37] | See E&W | |
PCV product—introduction | PCV7—2006 PCV13—2010 | PCV10—2011 | No routine PCV use | PCV10—2010 |