| human salmonellosis associated with young poultry from a contaminated hatchery in michigan and the resulting public health interventions, 1999 and 2000. | although approximately 95% of disease caused by nontyphoidal salmonella is transmitted by foodborne vehicles, four documented salmonella outbreaks in the 1990s have been traced to contact with young poultry. no environmental studies of source hatcheries were completed. this case-control study was performed by comparing culture-confirmed salmonella infantis in michigan residents, identified between may and july 1999, with two age- and neighbourhood-matched controls. eighty environmental and bird ... | 2002 | 12211587 |