What percent of people is affected by listeriosis?

ListeriOSis is a relatively rare infection, affecting about 0.0001% of the population annually in the United States, which translates to approximately 1,600 cases each year. It is most commonly seen in vulnerable groups, such as pregnant women, newborns, the elderly, and individuals with weakened immune systems. The overall incidence is low compared to many other foodborne illnesses, but it can lead to severe complications, making it a significant public health concern.