 New York, New York--Newsfile Corp. - June 24, 2021 - The Law Offices of Vincent Wong announce that a class action lawsuit has commenced on behalf of investors who purchased Provention Bio, Inc. NASDAQ: PRVB Provention Bio between November 2, 2020 and April 8, 2021.If you suffered a loss, contact us at the link below. There is no cost or obligation to you. 