Zydus seeks nod for its Covid vaccine ZyCoV-D, claims 66.6% efficacy against symptomatic infection Nation Zydus seeks nod for its Covid vaccine ZyCoV-D, claims 66.6% efficacy against symptomatic infection News Analysis India 3 years ago Express News Service NEW DELHI: Ahmedabad-based Zydus Cadila on Thursday applied for the emergency use authorisation for its Covid vaccine, saying that it has...Read More