[knuthom]

Faulty seals between a sewage drain and water pipes enabled the ill man to spread the virus when he used the bathroom - eventually infecting 324 people in the complex, officials said.

His diarrhea got into the drinking water pipes. That is disgusting, even without SARS.

[angkor]

You want a real scare, look at the WHO reports on the plumbing systems in Kathmandu, Nepal. Every disease known to man intermingles in the wastewater and "fresh" water systems.

[dinodino]

No, the sewage and water pipes didn't mix. Rather, a bit of sewage leaked past the pipes' seals.