A Temple City-based COVID-19 testing firm that contracts with Los Angeles County vehemently denied allegations Tuesday by Sheriff Alex Villanueva that the company shares patient DNA data with the Chinese government, a concern that prompted the sheriff to announce his department will no longer use the county’s chosen testing provider. “Fulgent is an American company, and its founder, board of directors and leadership team is made up of United States citizens,” Fulgent Genetics Chief Commercial Officer Brandon Perthuis said in a statement Tuesday. “Fulgent Genetics operates privately and independently in the People’s Republic of China and does not share personal...