Apathogenic strain of e. coli has been detected in the food supply of a nationwide food distributor, which provides meat to grocery chain, schools, food banks and other outlets. which of these pieces of data would offer the most information about the cause of the contamination?
a)the temperature at which the food was cooked
b)the exposure of the sick individuals to mutagens
c)the mean distante from the outbreak to the food supplier
d)the sanitation practice of trained employees at the facility

D) The sanitation practice of trained employees at the facility

The principle reason - and by a wide margin the most significant - is to counteract nourishment borne sickness of different sorts.  

An absence of sanitation can prompt food being defiled with different pathogens, which will thus cause sickness. While this may normally involve things like loose bowels or retching for sound grown-ups, those with flimsier resistant frameworks, similar to youngsters, the older or individuals with certain ailments might just turn out to be sick or even fatal.

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