 LOS ANGELES--BUSINESS WIRE--- BLU CLASSACTION--Glancy Prongay Murray LLP GPM reminds investors of the upcoming May 17, 2021 deadline to file a lead plaintiff motion in the class action filed on behalf of investors who purchased or otherwise acquired BELLUS Health Inc. BELLUS or the Company NASDAQ: BLU securities between September 5, 2019 and July 5, 2020, inclusive the Class Period. If you suffered a loss on your BELLUS investments or would like to inquire about potentially pursuing claims 