 BENSALEM, Pa.--BUSINESS WIRE--- BLU CLASSACTION--Law Offices of Howard G. Smith reminds investors of the upcoming May 17, 2021 deadline to file a lead plaintiff motion in the case filed on behalf of investors who purchased BELLUS Health Inc. BELLUS or the Company NASDAQ: BLU securities between September 5, 2019 and July 5, 2020, inclusive the Class Period. Investors suffering losses on their BELLUS investments are encouraged to contact the Law Offices of Howard G. Smith to discuss their legal rights 