The approved doses will not be strong enough to kill the viruses responsible for many outbreaks of food poisoning.
"But it was not as acute a problem in the minds of many Americans because we didn't have so many outbreaks of food-related illness.
Supporters of the legislation said weaknesses in the current system that allowed many outbreaks of disease also left the food supply vulnerable to contamination by terrorists.
With all fierce competition comes the chance for corruption, as we have been reminded of by the many outbreaks in the pros all the way down to peewees.
Most Japanese over age 50 had rubella in their youth and are immune, so the most vulnerable group is young men, and many outbreaks are in workplaces.
He adds that regulation cannot guarantee safety: in the states where raw milk is sold legally, there have been nearly three times as many outbreaks of illness as in the states where it is not.
A veteran of many outbreaks, Dr. Acheson, who had called for an overhaul of the F.D.A.'s food safety regimen, said rules meant little without authority and resources to back them up.
Dr. Megan Murray, a Harvard epidemiologist who was a consultant for the Holland America Line on disinfecting its cruise ship Amsterdam, which had outbreaks on four consecutive voyages, said that illness on ships may be a reflection of the many outbreaks now occurring on land.
"This is one of the things that everybody in our local health departments knows, that if you hear about one person eating sprouts you're supposed to ring the alarm bell," said William E. Keene, a senior epidemiologist of the Oregon Public Health Division, who has investigated many outbreaks involving sprouts.
Q: You have seen many outbreaks of Ebola.
Water-borne diseases (i.e., diarrhea, gastrointestinal illness) caused by various bacteria, viruses, and protozoa have been the causes of many outbreaks (Craun et al. [2006]).
