 NEW YORK, April 2, 2021 PRNewswire -- Bernstein Liebhard, a nationally acclaimed investor rights law firm, reminds investors of the deadline to file a lead plaintiff motion in a securities class action lawsuit that has been filed on behalf of investors who purchased or acquired the securities of BELLUS Health Inc. BELLUS or the Company NASDAQ: BLU from September 5, 2019, through July 5, 2020 the Class Period. The lawsuit filed in the United States District Court for the Southern District of New York alleges violations of the Securities Exchange Act of 1934. 