A health worker performs a trial run of the COVID-19 vaccine delivery system in New Delhi, India, Friday, Jan. 8, 2021. India will kick off the coronavirus vaccination drive on Jan. 16 to stem the pandemic in the world’s second-most populous country. A Health Ministry statement says that priority will be given to the healthcare workers and the frontline workers, estimated around 30 million. (AP Photo/Altaf Qadri)