With more than 200 potential Covid-19 vaccines being developed globally, the world is filled each day with news on the latest developments. While the world is busy looking out for the ‘right’ vaccine for themselves, how can nations prioritise immunisation efforts? Farhana Nakhooda, Senior Vice President, Healthcare & Life Sciences (Asia Pacific), Health Catalyst shares some of the challenges with Covid-19 data collection, and how data and analytics can help identify high-risk patients and prioritise immunisation efforts.