Roseburg-based Umpqua Dairy resumed milk production Wednesday after a statewide salmonella outbreak that stumped scientists for months.
At least 23 people were sickened from late last October through June from salmonella linked back to Umpqua, but no one died.
The plant was cleaned and sanitized and 160 laboratory tests taken by the company and Oregon Department of Agriculture have come up negative for harmful bacteria, prompting the state to re-certify the plant.
Unlike most other food-borne outbreaks, the milk and juice that was recalled was not tainted. Rather, the containers were contaminated with salmonella.
Read more at OregonLive.com.