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Streptococcus pneumoniae caused 92% of nonmeningitis invasive disease, with sero-groups 14, 6, 19, 18, 4, 23, and 9 causing 94.5% of infections. These findings have implications for the development of additional polysaccharide-protein conjugate vaccines for the prevention of childhood infections. <\/jats:p>","DOI":"10.2105\/ajph.85.3.392","type":"journal-article","created":{"date-parts":[[2008,11,29]],"date-time":"2008-11-29T13:18:52Z","timestamp":1227964732000},"page":"392-394","source":"Crossref","is-referenced-by-count":26,"title":["The changing epidemiology of invasive bacterial infections in Massachusetts children, 1984 through 1991."],"prefix":"10.2105","volume":"85","author":[{"given":"A M","family":"Loughlin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C D","family":"Marchant","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S M","family":"Lett","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"844","reference":[{"key":"p_1","doi-asserted-by":"crossref","unstructured":"Schlech WF, Ward JI, Band JD, Hightower A, Fraser DW, Broome CV. 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