Retired police general Aaron Aquino (seated right), president of state-run Clark International Airport Corp., and CIAC vice president for operations Irish Calaguas (seated left) wait for their turn along with other employees of CIAC to take the polymerase chain reaction tests at the agency’s corporate office building. CIAC provides free PCR testing for its 114 employees on a quarterly basis to help in curbing the spread of COVID-19 in the workplace.