1. Vaccines and Related Biological Products Advisory Committee Meeting. December 10, 2020 FDA Briefing Document Pfizer-BioNTech COVID-19 Vaccine. https://www.fda.gov/media/144245/download. Accessed 5 Feb 2024.
2. Mitchell J, Yue QY. Appendicitis as a possible safety signal for the COVID-19 vaccines. Vaccine X. 2021;9: 100122. https://doi.org/10.1016/j.jvacx.2021.100122.
3. Background Rates of Adverse Events of Special Interest for COVID-19 Vaccine Safety Monitoring Draft Protocol Food and Drug Administration Center for Biologics Evaluation and Research (CBER) Biologics Effectiveness and Safety (BEST) Initiative December 31, 2020. https://bestinitiative.org/wp-content/uploads/2021/01/C19-Vaccine-Safety-AESI-Background-Rate-Protocol-2020.pdf. Accessed 5 Feb 2024.
4. Barda N, Dagan N, Ben-Shlomo Y, Kepten E, Waxman J, Ohana R, et al. Safety of the BNT162b2 mRNA Covid-34432976 19 vaccine in a nationwide setting. N Engl J Med. 2021;385(12):1078–90. https://doi.org/10.1056/NEJMoa2110475.
5. Klein NP, Lewis N, Goddard K, Fireman B, Zerbo O, Hanson KE, et al. Surveillance for adverse events after COVID-19mRNA vaccination. JAMA. 2021;326(14):1390–9. https://doi.org/10.1001/jama.2021.15072.