Sydney Morning Herald | Salmonella outbreak spreads as numbers of infected increase Sydney Morning Herald By Neelima Choahan. Up to a 100 people nationwide may now be affected by the salmonella outbreak linked to pre-packaged salad sold at Coles and Woolworths. Authorities launched an investigation on Tuesday after becoming aware of a spike of 28 cases ... Lettuce in supermarkets safe: food expert Salmonella cases rise again More salmonella cases expected in Victoria from pre-packed lettuce |