1. Wellcome Trust (2019) How much does the world trust medical experts and vaccines? https://wellcome.ac.uk/press-release/how-much-does-world-trust-medical-experts-and-vaccines?mod=article_inline. 2020
2. Wakefield AJ, Murch SH, Anthony A, Linnell J, Casson D, Malik M, Berelowitz M, Dhillon AP, Thomson MA, Harvey P (1998) RETRACTED: Ileal-lymphoid-nodular hyperplasia, non-specific colitis, and pervasive developmental disorder in children. Elsevier
3. Boylston A (2012) The origins of inoculation. J R Soc Med 105(7):309–313
4. Dudgeon J (1980) Immunization in times ancient and modern. J R Soc Med 73(8):581–586
5. Jurin J, Osborne J (1724) VI. A letter to the learned Dr. Caleb Cotesworth, FRS of the College of Physicians, London, and Physician to St. Thomas’s Hospital; containing a comparison between the danger of the natural small pox, and of that given by inoculation. Philos Trans Roy Soc Lond 32 (374):213–227