APA (7th ed.) Citation

Sheikh, A., Pearce, N., Barreto, M. L., Robertson, C., Katikireddi, S. V., Shah, S. A., . . . Boaventura, V. S. (2025). Sustained natural immunity following SARS-CoV-2 infection against severe COVID-19 outcomes and symptomatic reinfection: Analyses of national data for Brazil and Scotland. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Sheikh, Aziz, et al. Sustained Natural Immunity Following SARS-CoV-2 Infection Against Severe COVID-19 Outcomes and Symptomatic Reinfection: Analyses of National Data for Brazil and Scotland. BMJ Publishing Group, 2025.

MLA (9th ed.) Citation

Sheikh, Aziz, et al. Sustained Natural Immunity Following SARS-CoV-2 Infection Against Severe COVID-19 Outcomes and Symptomatic Reinfection: Analyses of National Data for Brazil and Scotland. BMJ Publishing Group, 2025.

Warning: These citations may not always be 100% accurate.