On 30 October 2020, a 44 year old employee of the Liaison Office was confirmed to have COVID-19, with case 5321. He arrived in Hong Kong from Shenzhen on October 6th, and was exempted from quarantine, being a government official. Residents at his apartment (10-16 Ching Wah Street in North Point, a building owned by the Liaison Office) were required to undergo virus testing. Additionally, people at his office (West Wing of Shun Tak, which he traveled to in a company vehicle) were required to undergo virus testing, and 11 coworkers were required to undergo quarantine.