Table 2. Annual incidences and absolute case count of early-onset group B streptococcal infections in five Nordic countries, 1995–2019 (n = 2,339).
| Denmark (n = 313) | Finland (n = 667) | Iceland (n = 44) | Norway (n = 585) | Sweden (n = 730) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Incidence | Cases | Incidence | Cases | Incidence | Cases | Incidence | Cases | Incidence | Cases | |
| 1995 | 0.52 | 36 | 0.59 | 37 | 1.64 | 7 | 0.38 | 23 | NA | NA |
| 1996 | 0.34 | 23 | 0.61 | 37 | 0.23 | 1 | 0.23 | 14 | NA | NA |
| 1997 | 0.21 | 14 | 0.57 | 34 | 1.20 | 5 | 0.48 | 29 | 0.39 | 34 |
| 1998 | 0.21 | 14 | 0.67 | 38 | 0.24 | 1 | 0.41 | 24 | 0.52 | 44 |
| 1999 | 0.09 | 6 | 0.57 | 33 | 0.49 | 2 | 0.46 | 27 | 0.48 | 41 |
| 2000 | 0.21 | 14 | 0.56 | 32 | 0.93 | 4 | 0.83 | 49 | 0.23 | 20 |
| 2001 | 0.12 | 8 | 0.50 | 28 | 0.49 | 2 | 0.46 | 26 | 0.39 | 35 |
| 2002 | 0.19 | 12 | 0.58 | 32 | 0.49 | 2 | 0.31 | 17 | NA | NA |
| 2003 | 0.20 | 13 | 0.51 | 29 | 0.48 | 2 | 0.50 | 28 | NA | NA |
| 2004 | 0.12 | 8 | 0.55 | 32 | 0.24 | 1 | 0.51 | 29 | NA | NA |
| 2005 | 0.17 | 11 | 0.99 | 57 | 0.70 | 3 | 0.37 | 21 | NA | NA |
| 2006 | 0.11 | 7 | 0.56 | 33 | 0.23 | 1 | 0.49 | 28 | 0.51 | 54 |
| 2007 | 0.11 | 7 | 0.48 | 28 | 0.00 | 0 | 0.46 | 27 | 0.37 | 40 |
| 2008 | 0.27 | 18 | 0.49 | 29 | 0.41 | 2 | 0.41 | 25 | 0.30 | 33 |
| 2009 | 0.22 | 14 | 0.5 | 30 | 0.60 | 3 | 0.42 | 26 | 0.22 | 25 |
| 2010 | 0.16 | 10 | 0.56 | 34 | 0.20 | 1 | 0.49 | 30 | 0.32 | 38 |
| 2011 | 0.18 | 11 | 0.37 | 22 | 0.22 | 1 | 0.33 | 20 | 0.33 | 37 |
| 2012 | 0.22 | 13 | 0.37 | 22 | 0.00 | 0 | 0.40 | 24 | 0.47 | 53 |
| 2013 | 0.14 | 8 | 0.34 | 20 | 0.46 | 2 | 0.44 | 26 | 0.41 | 47 |
| 2014 | 0.14 | 8 | 0.30 | 17 | 0.00 | 0 | 0.34 | 20 | 0.46 | 53 |
| 2015 | 0.19 | 11 | 0.23 | 13 | 0.24 | 1 | 0.32 | 19 | 0.25 | 29 |
| 2016 | 0.22 | 14 | 0.21 | 11 | 0.50 | 2 | 0.29 | 17 | 0.36 | 42 |
| 2017 | 0.10 | 6 | 0.16 | 8 | 0.00 | 0 | 0.21 | 12 | 0.40 | 46 |
| 2018 | 0.16 | 10 | 0.14 | 7 | 0.00 | 0 | 0.22 | 12 | 0.26 | 30 |
| 2019 | 0.28 | 17 | 0.10 | 4 | 0.22 | 1 | 0.22 | 12 | 0.25 | 29 |
GBS: Group B Streptococcus; NA: not available.