A nationwide study published by the USDA in 1996 found that [...] 78.6 percent of the ground beef contained microbes that are spread primarily by fecal matter. The medical literature on the causes of...
USDA regulations spell out precisely what sort of facility and system is permissible, but they don’t set thresholds for food-borne pathogens. (That would require the USDA to recall meat from packers w...