What percent of the US population each year has symptoms food-borne illness without knowing or reporting it?

Approximately 48 million people, or 1 in 6 Americans, get sick from foodborne illnesses each year. Of these, about 128,000 are hospitalized, and 3,000 die. However, it is estimated that only 1 in 25 foodborne illnesses are actually reported to the authorities. This means that there are likely many more people who get sick from foodborne illnesses each year without knowing it or reporting it.