 NEW YORK, March 29, 2021 PRNewswire -- MSD Acquisition Corp. the Company today announced the closing of its initial public offering IPO of 57,500,000 units at a price of 10.00 per unit, including 7,500,000 units issued pursuant to the underwriters full exercise of the option to purchase additional units. Total gross proceeds from the offering were 575,000,000, before deducting underwriting discounts and commissions and other offering expenses. 