A cashier working at the Customs Headquarters Building staff canteen has tested preliminary positive for COVID-19.

The canteen is temporarily closed and the relevant working places have been thoroughly cleaned and sterilised.

The cashier last performed her duties on December 1. She felt unwell and visited a hospital yesterday and is being treated.

She wore a mask, maintained social distancing and had a normal body temperature at work. She has no recent travel history.

Customs appealed to staff who visited the canteen between November 17 and December 1 to undergo COVID-19 testing.