epa08848844 A handout photo made available by the Indian Press Information Bureau shows Indian Prime Minister Narendra Modi (2-L) visits the Serum Institute of India to review the progress and distribution process of Covid-19 vaccine developed by Serum Institute, in Pune, Maharashtra, India, 28 November 2020. EPA/PRESS INFORMATION BUREAU /HANDOUT HANDOUT EDITORIAL USE ONLY/NO SALES