spread of bacteria
noun phraseUK /spred əv bækˈtɪəriə/
US /spred əv bækˈtɪriə/
The way tiny germs move from one place or person to another.
Washing your hands helps stop the spread of bacteria.
OTHER MEANINGS
2. The movement of bacteria through a population or environment.
Scientists tracked the spread of bacteria across the lake.
3. The growth of bacteria over a surface or area.
The spread of bacteria on the cutting board worried the chef.
4. The passing of bacteria from animals to humans.
The spread of bacteria from farm animals is carefully monitored.