AI Article Synopsis
- Before vaccines were introduced, bacterial meningitis rates in children (28 days to 5 years) in Hokkaido, Japan, were 8.48 cases per 100,000 person-years.
- Haemophilus influenzae type-b accounted for 5.65 cases and Streptococcus pneumoniae for 1.85 cases per 100,000 person-years.
- Additionally, the incidence of bacteremia was significantly higher, with S. pneumoniae causing 60.15 cases and H. influenzae causing 18.80 cases per 100,000 person-years.
Article Abstract
Before the introduction of vaccines, the incidence of bacterial meningitis among children aged 28 days to 5 years was 8.48, Haemophilus influenzae type-b meningitis was 5.65 and Streptococcus pneumoniae meningitis was 1.85 per 100,000 person-years in Hokkaido, Japan. The incidence of bacteremia caused by S. pneumoniae was 60.15 and H. influenzae was 18.80.
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