Serotypes of Streptococcus pneumoniae Isolated from Blood Cultures at Boston City Hospital Between 1979 and 1982

Serotypes of pneumococci causing bacteremia were examined from January 1979 through December 1982. Of the 271 isolates recorded, 52% were from adults and 48% were from children. The rate of pneumococcal bacteremia for adults was 2.67 cases per 1,000 admissions; rates were not calculated for pediatri...

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Bibliographic Details
Published in:The Journal of infectious diseases 1984-03, Vol.149 (3), p.449-452
Main Authors: Barry, M. Anita, Craven, Donald E., Finland, Maxwell
Format: Article
Language:English
Subjects:
Adult
Adults
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Bacteremia
Bacterial Vaccines
Biological and medical sciences
Blood
Blood - microbiology
Boston
Child
Child health services
Emergency and intensive care: infection, septic shock
Epidemiology
Humans
Infectious diseases
Intensive care medicine
Medical sciences
Original Articles
Pediatrics
Pneumococcal Infections - microbiology
Pneumococcal vaccine
Pneumococcal Vaccines
Polysaccharides, Bacterial - classification
Sepsis - microbiology
Serotyping
Streptococcus pneumoniae
Streptococcus pneumoniae - classification
Streptococcus pneumoniae - isolation & purification
Vaccination
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Summary:Serotypes of pneumococci causing bacteremia were examined from January 1979 through December 1982. Of the 271 isolates recorded, 52% were from adults and 48% were from children. The rate of pneumococcal bacteremia for adults was 2.67 cases per 1,000 admissions; rates were not calculated for pediatric patients. The six most common pediatric types or groups (14, 19, 18, 6, 4, and 9) accounted for 90% of the total pediatric isolates, and the six most common adult types or groups (12, 9, 8, 4, 3, and 6) made up 55.3% of the total adult isolates. More than 96% of the pneumococcal types isolated from the blood cultures of pediatric patients are present in the 14-valent pneumococcal vaccine, compared with 72.7% of the adult isolates. The results demonstrate that most cases of pneumococcal bacteremia are caused by capsular types or groups present in the current vaccine and that minor changes in the types of pneumococci causing bacteremia have occurred during the past decade.
ISSN:0022-1899
1537-6613
DOI:10.1093/infdis/149.3.449