1. The immunology of SARS-CoV-2 infections and vaccines;Grigoryan;Semin Immunol,2020
2. Ministry of Health & Family Welfare. Precautions and Contraindications for COVID-19 vaccination (cited 2021 March 28): Available from: https://www.mohfw.gov.in/pdf/LetterfromAddlSecyMoHFWregContraindicationsandFactsheetforCOVID19vaccines.PDF.
3. COVID-19 Vaccines Operational Guidelines,2020
4. Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled trial;Folegatti;Lancet,2020
5. The how's and what's of vaccine reactogenicity;Hervé;NPJ Vaccines,2019