AUSTIN, Texas--(BUSINESS WIRE)--Entwistle & Cappucci LLP (“Entwistle & Cappucci”) is investigating potential federal securities law violations on behalf of clients that invested in Emergent BioSolutions Inc. (“Emergent” or the “Company”) (NYSE: EBS) based on: (i) the Company’s contamination of at least 15 million doses of the Johnson & Johnson COVID-19 vaccine; (ii) Emergent’s failure to fix known manufacturing quality issues identified...