TABLE 1.

Serotypes and sources of STEC strains isolated in São Paulo, Brazil, during the period from 1976 to 2003

SerotypeNo. of strains
Human sourcesNon-human sourcesTotal
DiarrheaHUSCattleFoodWater
O26:H11415
O55:H1911
O77:H18123
O103:H22a2
O93:H19112
O111:H8(H)22123
O111:H1111
O118:H1622
O157:H74b116
ONT:H211
Total39141146
  • a One strain was isolated from a child with hemolytic anemia.

  • b One strain was isolated from a patient with bloody diarrhea.