Meaning of the word "community transmission" in English

What does "community transmission" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

community transmission

US /kəˈmjuːnɪti trænzˈmɪʃən/
UK /kəˈmjuːnɪti trænzˈmɪʃən/

Noun

the spread of an infectious disease within a community, where the source of infection is unknown or cannot be traced to a specific individual or location

Example:
The health authorities confirmed cases of community transmission, indicating the virus was spreading locally.
To prevent widespread community transmission, strict lockdown measures were implemented.