What is community transmission of coronavirus?

According to the World Health Organization (WHO), community transmission “is evidenced by the inability to relate confirmed cases through chains of transmission for a large number of cases, or by increasing positive tests through sentinel samples (routine systematic testing of respiratory samples from established laboratories)”.

 

In other words, a community transmission case is generally accepted as referring to an infected patient without any known contact with another confirmed case of viral infection or recent travel history to or from a country badly affected by a pandemic. Therefore, the community transmission of a virus essentially implies that a virus is moving freely