Randolph, H. E. & Barreiro, L. B. Herd Immunity: Understanding COVID-19. Immunity 52, 737–741 (2020).
Jones, D. & Helmreich, S. A history of herd immunity. The Lancet 396, 810–811 (2020).
Britton, T., Ball, F. & Trapman, P. A mathematical model reveals the influence of population heterogeneity on herd immunity to SARS-CoV-2. Science 369, 846–849 (2020).
Bartsch, S. M. et al. Vaccine Efficacy Needed for a COVID-19 Coronavirus Vaccine to Prevent or Stop an Epidemic as the Sole Intervention. Am J Prev Med 59, 493–503 (2020).
Metcalf, C. J. E., Ferrari, M., Graham, A. L. & Grenfell, B. T. Understanding Herd Immunity. Trends Immunol. 36, 753–755 (2015).
Fine, P., Eames, K. & Heymann, D. L. “Herd Immunity”: A Rough Guide. Clin Infect Dis 52, 911–916 (2011).
Zinkernagel, R. M. On Natural and Artificial Vaccinations. Annual Review of Immunology 21, 515–546 (2003).
Fine, P. E. M. Herd Immunity: History, Theory, Practice. Epidemiologic Reviews 15, 265–302 (1993).
Fenner, F. et al. Smallpox and its eradication. (World Health Organization, 1988).
Topley, W. W. C. & Wilson, G. S. The Spread of Bacterial Infection. The Problem of Herd-Immunity. J. Hyg. 21, 243–249 (1923).