Mark Thorson > wrote:

>Interesting how many are due to E. coli O157H7:

That's because this strain of e. coli is reportable.

A few months ago there was an 0157H7 outbreak in Napa; one
of the lab doctors mentioned how he's been testing food poisoning
cases for 20 years and it was the very first time he's gotten a
positive hit on 0157H7.

Steve