Health workers conduct PCR tests for COVID-19 for people in Colombo, Sri Lanka

A health worker conducts a polymerase chain reaction (PCR) test for COVID-19 at Manning Market in Fort area of Colombo, Sri Lanka, Aug. 28, 2020. Sri Lanka has so far 2,988 confirmed COVID-19 cases with 2,840 recoveries and 12 deaths. (Xinhua)