Customs officers lead inbound passengers to enter terminal building of the Capital International Airport in Beijing, capital of China, March 18, 2020. File photo:Xinhua
To curb imported infections, Beijing continued to ramp up prevention measures by conducting a 14+7+7 health management policy for overseas arrivals at customs entry. The policy refers to 14-day collective quarantine, seven-day home quarantine or collective quarantine and seven-day health monitoring.