People are sick in several Canadian provinces from E. coli O157:H7 in walnuts, but federal health types decided it’s a secret, so mere mortals are left to speculate.

From the rather crappy press release:

The Canadian Food Inspection Agency (CFIA) and Amira Enterprises Inc. are warning the public not to consume certain bulk and prepackaged raw shelled walnut products described below because these products may be contaminated with may be contaminated with E. coli O157:H7.

All raw shelled walnuts sold from bulk bins, all package sizes and all lot codes / Best Before dates of the following raw shelled walnuts and products containing walnuts are affected by this alert. The affected products were available for purchase from January 1, 2011, up to and including April 4, 2011. The raw shelled walnuts are imported from the USA.
Brand Product
Amira Raw shelled walnuts sold from a bulk bin*
Amira Prepackaged raw shelled walnuts (Halves/Pieces/Crumbs)
Tia Prepackaged raw shelled walnuts (Halves/Pieces/Crumbs)
Merit Selection Prepackaged raw shelled walnuts (Halves/Pieces/Crumbs)
Amira Mistral Mix containing walnuts
Tia Mistral Mix containing walnuts
Amira Salad booster containing walnuts
Tia Salad booster containing walnuts

*The brand name Amira may not be marked on the raw walnuts sold from the bulk bins.
Consumers who have purchased walnuts from bulk bins are advised to contact the retailer to determine if they have the affected product.

That’s helpful for consumers.

Amira Enterprises Inc. of St. Laurent, QC, an importer of specialty food products from Egypt, Lebanon, Syria, Turkey, Saudi Arabia and Iran, is voluntarily recalling the affected products from the marketplace.