Q&A: How does the new airport testing work?

Tester Samantha Jakstonyte pictured with Niall MacCarthy, Managing Director, Cork Airport at a RocDoc drive-thru Covid-19 testing centre at Cork Airport. RocDoc will be conducting pre-departure tests for passengers flying out of the airport in accordance with the EU's traffic light system. Picture: Daragh Mc Sweeney/Provision
Private medical company RocDoc has launched PCR testing at Cork and Shannon Airports. But how does it work?