'Taco Bell' 'Salmonella Hartford' 'Salmonella Baildon'

Today the CDC announced that it is investigating two multistate outbreaks of Salmonella infections, each involving a different Salmonella serotype: Hartford and Baildon.  An analysis indicates that eating at a Mexican-style fast food restaurant chain, Restaurant Chain A, is associated with some illnesses. Among persons eating at Restaurant Chain A, no specific food item