Ketchup and Mustard

Is there any risk of illness from putting ketchup or mustard on my sandwich?

Probably not. Though ketchup is made from tomatoes, a potential sources of E. coli and salmonella, the tomatoes are cooked during processing, thereby eliminating the two pathogens. The same goes for spices, also potential sources of E. coli and salmonella.
 
Likewise, spices, powders, and other ingredients contained in mustard are potential sources of E. coli and salmonella. Once again, cooking kills the two pathogens during processing.
 

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