California Souplantation set to reopen after E. coli scare

"We're getting to the point that we will less likely (be able) to find a specific cause," said Howard Sutter, spokesman for the Orange County Health Care Agency.

The agency also re-instated the restaurant's health permit Thursday after the San Diego chain sanitized all food preparation surfaces, had employees screened for the deadly E. coli O157 strain and disposed of all unpackaged food items handled by workers.