1. World Health Organization. Vaccine safety basics e-learning manual. (2021). Accessed: June 30, 2021: https://vaccine-safety-training.org/overview-and-outcomes-3.html.
2. Covid-19: India is at centre of global vaccine manufacturing, but opacity threatens public trust;Thiagarajan K;BMJ,2021
3. Challenges facing COVID-19 vaccination in India: lessons from the initial vaccine rollout;Pandey A;J Glob Health,2021
4. Ministry of Health and Family Welfare. COVID-19 vaccines operational guidelines. (2021). Accessed: June 30, 2021: https://main.mohfw.gov.in/newshighlights-31.
5. Revised AEFI guidelines. executive summary. (2021). Accessed: June 30, 2021: https://main.mohfw.gov.in/sites/default/files/Revised%20AEFI%20Guidelines%20Execute%20Summary.pdf.