6 Foodborne Illnesses an Infectious Disease Doctor Worries About More Than Cyclospora

Key Points:

• The recent cyclospora outbreak highlights the risk of parasitic foodborne illnesses, though cyclosporiasis is generally treatable and most healthy individuals recover fully.
• Vibrio vulnificus, a deadly bacterium found in warm coastal waters and raw shellfish, causes severe infections with a high mortality rate, especially in people with liver disease; cooking seafood thoroughly is essential for prevention.
• Listeria monocytogenes poses serious risks to pregnant women, older adults, and immunocompromised individuals, causing severe complications including miscarriage and death; it can survive refrigeration and is commonly found in unpasteurized dairy products.
• Botulism, caused by Clostridium botulinum, produces a potent toxin leading to paralysis and can be fatal if untreated; infants are particularly vulnerable, and prevention includes proper food canning and avoiding honey for infants.
• Other major foodborne threats include Shiga toxin-producing E. coli, which can cause severe kidney damage especially in young children; Salmonella, the leading cause of death from foodborne illness in the U.S.; and Toxoplasmosis, a parasitic infection dangerous to pregnant women and immunocompromised individuals, often transmitted through undercooked meat and contaminated produce.