Health authorities said 12 passengers tested positive for the Coronavirus. The remaining 79 cases, or one in 13 people tested, were community infections.
Out of those, 35 were contacts of known cases, detected after 345 tests, or one in 10.
The total number of positive cases since March rose to 3,636.
Thirty-one people are being treated in hospital including four at the high dependency unit and two in an ICU.