Mealey's (May 2, 2018, 11:39 AM EDT) -- WASHINGTON, D.C. — Merck & Co. and Merck Sharp & Dohme Corp. (Merck) on April 20 asked a federal judicial panel to create a multidistrict litigation for 57 federal lawsuits alleging that patients who received the Zostavax shingles vaccine developed the virus (In Re: Zostavax Products Liability Litigation, MDL Docket No. 2848, JPMDL)....