Owl pellets packed with salmonella leveled more than four dozen Jefferson Elementary School students last June, but teachers and classroom procedures are not to blame, according to a preliminary state report.
The pellets used for a science dissection project were apparently contaminated before they arrived at the school, according to a Department of Public Health
The recent spinach-borne
During the recent
State health officials confirmed three more salmonella cases in the Sierra Vista area, raising the number investigated to 24.
Another case of salmonella has been confirmed in the greater Sierra Vista area, bringing the number to 21, according to Cochise County health officials.
Scientists at Pacific Northwest National Laboratory have identified a protein in Salmonella bacteria that enables it to infect immune cells called macrophages.
New federal statistics show that despite the recent