text:  E. coli, campylobacter, salmonella infections can cause fever, diarrhea, and abdominal pain, but they can also cause more severe disease, including bloody diarrhea, kidney failure, and other complications. Listeria, as Dr. Miller noted, can cause meningitis. And infection during pregnancy can be highly morbid and even fatal for the fetus or the newborn. Now, does bird flu pose a direct threat