Volume 9, Number 4—April 2003
Research
Invasive Group B Streptococcal Infections in Finland: A Population-based Study
Outi Lyytikäinen*
, J. Pekka Nuorti*, Erja Halmesmäki†, Petteri Carlson†, Jukka Uotila‡, Risto Vuento‡, Tapio Ranta§, Hannu Sarkkinen§, Martti Ämmälä¶, Anja Kostiala¶, and Anna-Liisa Järvenpää†
, J. Pekka Nuorti*, Erja Halmesmäki†, Petteri Carlson†, Jukka Uotila‡, Risto Vuento‡, Tapio Ranta§, Hannu Sarkkinen§, Martti Ämmälä¶, Anja Kostiala¶, and Anna-Liisa Järvenpää†Table 2
Annual incidence of early-onset and late-onset invasive group B streptococcus infections, Finland, 1995–2000
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | |
|---|---|---|---|---|---|---|
| Early-onset disease |
||||||
| No. of cases |
37 |
37 |
34 |
38 |
33 |
32 |
| Incidencea |
0.6 |
0.6 |
0.6 |
0.7 |
0.6 |
0.6 |
| Late-onset disease |
||||||
| No. of cases |
8 |
16 |
6 |
10 |
9 |
7 |
| Incidencea | 0.1 | 0.3 | 0.1 | 0.2 | 0.2 | 0.1 |
aCases per 1,000 live births.
