UK examining Serum Institute’s site in the midst of scramble for shots Kumar Jeetendra | February 15, 2021 Britain’s drug regulator is auditing manufacturing procedures in Serum Institute of India (SII) which could pave the way for AstraZeneca’s COVID-19 vaccine to be shipped from there to the UK and other countries, according to two sources close to the matter. SII, the world’s largest vaccine manufacturer, is now mass producing the AstraZeneca vaccine, developed …