Congress spreading rumours to derail vaccination drive: BJP's Sambit Patra

The Centre on Wednesday clarified that the Covaxin does not contain the newborn calf serum, saying the facts have been "twisted and misrepresented" in some social media posts. "Newborn calf serum is used only for the preparation and growth of vero cells. Serum from bovine and other animal are standard enrichment ingredient used globally for vero cell growth," the Union Health Ministry said in a statement.