A new case of coronavirus has been transmitted from one traveller to another in hotel quarantine in Perth.
It happened at the Pan Pacific hotel in the CBD after a man from Colombia arrived in Western Australia via the United States on May 21.
Chief health officer Andy Robertson said that man tested positive for the virus on May 23.
A man in the adjoining room, who had arrived on May 16, was tested on day 13 of his quarantine stay and also returned a positive result.