Increased incidence and severity of Streptococcus pyogenes bacteremia in young children

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Abstract
An increase in the incidence and severity of bacteremia caused by group A streptococci was noted in 1993 and 1994 in the Hadassah University Medical Center, Jerusalem. During the 6-year period 1987 to 1992, 12 children with group A streptococcal bacteremia were hospitalized, whereas in 1993 and 1994 there were 17 patients, 5 of them with 1 each of the following severe clinical manifestations: meningitis and septic shock; streptococcal toxic shock syndrome; septic shock; pleural empyema; and fatal outcome. Our 29 patients with group A streptococcal bacteremia were younger than those reported in the literature: 10 (35%) were < 3 months of age; 17 (59%) were 3 (range, 2200 to 34 200). The cases were not related epidemiologically and were caused by a variety of M-protein types. Polymerase chain reaction amplification of the genes encoding exotoxins A (speA) and C (speC) was done on 19 isolates and disclosed 2 strains positive for speA and 5 positive for speC. One of the speA-positive isolates was from the single patient with toxic shock syndrome.

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