Sporadic STEC 0157 Infection: Secondary Household Transmission in Wales.

Shiga toxin-producing Escherichia coli (STEC 0157) is readily transmitted in the home. Contacts of the index case-patient may excrete the organism presenting a risk to the wider community. The household transmission rate for sporadic STEC 0157 was calculated to be 4 to 15%. Emerging Infectious Diseases 1998;4(4).