'The "S" in the bacterium S. typhosa, it enters the digestive tract in contaminated food'
salmonella
COLORFUL VOCABULARY: The S in the bacterium S. typhosa, it enters the digestive tract in contaminated food
The "S" in the bacterium S. typhosa, it enters the digestive tract in contaminated food
The "S" in the bacterium S. typhosa, it enters the digestive tract in contaminated food
COLORFUL VOCABULARY
salmonella
COLORFUL VOCABULARY