New South Wales (NSW) contact tracers are racing to contain coronavirus spread after three cases were recorded linked to western Sydney. Two cases—a man in his 40s and a man in his 20s—are under investigation after 32,000 people came forward for testing in the 24 hours to 8 p.m. on Thursday. The third case, a man in his 20s, is a close household contact of one of the other two men. NSW Health expanded its list of exposure sites on Friday evening, saying anyone who visited BWS in Berala between Dec. 22 and 31 must get tested immediately and isolate. Specific times of potential exposure on those dates can be found on the NSW Health website. None of the three new cases are linked to the northern beaches hotspot which now totals 146 after two previously recorded infections were linked. The state government is urging western Sydney residents from Greystanes, …