Hearing on foodborne pathogens the bacteria, chemicals, viruses, parasites, & unknown agents that can cause illness when ingested the dimensions of that growing threat to American public health, & our capacity to meet it. Witnesses: Ban Mishu Allos, Vanderbilt Univ. School of Med.; John Kobayashi, Wash. State Dept. of Health; Glenn Morris, Dir., Epidemiology & Emergency Response Programs, U.S. Dept., of Ag.; Robert Robinson, Dir., Food & Agriculture Issues, GAO; Edward Zadjura, GAO; David Satcher, Dir. CDC; Morris Potter, National Center for Infectious Diseases; & Fred Shank, Center for Food Safety & Applied Nutrition, FDA.