What question did this study set out to answer?

Determine the incidence, predisposing conditions, and case fatality rates of Haemophilus influenzae, Streptococcus pneumoniae, and Neisseria meningitidis infections prior to routine vaccination.

January 1, 1996Scandinavian Journal of Infectious Diseases

Incidence and Prognosis of Meningitis due to Haemophilus influenzae, Streptococcus pneumoniae and Neisseria meningitidis in Sweden

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Authors

SBStefan BergSahlgrenska University Hospital BTBirger TrollforsStatens Serum Institut BCBo A. ClaessonSahlgrenska University Hospital

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Implication

Retrospective study reports distinct incidence and fatality rates for three major meningitis pathogens in Sweden, highlighting the urgent need for targeted vaccination strategies.

Key Points

Determine the incidence, predisposing conditions, and case fatality rates of Haemophilus influenzae, Streptococcus pneumoniae, and Neisseria meningitidis infections prior to routine vaccination.
Conducted a retrospective nationwide study in Sweden (population 8.4 million) examining culture-verified bacterial meningitis cases from 1987 to 1989 (N=1,019).
Evaluated age-specific incidence rates, underlying comorbid conditions, isolate serotypes, and case fatality outcomes.
Annual incidence rates per 100,000 were 1.8 for H. influenzae, 1.2 for pneumococcal meningitis, and 1.0 for invasive meningococcal disease, with all peaking in children aged 3–23 months.
Case fatality rates reached 2% for H. influenzae, 10% for N. meningitidis, and 24% for S. pneumoniae, with 57% of pneumococcal cases having serious concomitant conditions.
All 81 serotyped pneumococcal isolates matched the 23-valent polysaccharide vaccine, and 65% of meningococcal isolates were serogroup B.

Cite This Study

Berg et al. (1996) studied this question.

synapsesocial.com/papers/6a6f7f2be71d69abee080de9 https://doi.org/10.3109/00365549609027166

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Implication

Retrospective study reports distinct incidence and fatality rates for three major meningitis pathogens in Sweden, highlighting the urgent need for targeted vaccination strategies.

Incidence and Prognosis of Meningitis due to Haemophilus influenzae, Streptococcus pneumoniae and Neisseria meningitidis in Sweden

Discussion

Member takes

Implication

Key Points

Cite This Study

Incidence and Prognosis of Meningitis due to Haemophilus influenzae, Streptococcus pneumoniae and Neisseria meningitidis in Sweden

Discussion

Member takes

Implication

Key Points

Cite This Study

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