Layan, S., Chemaitelly, H., Ayoub, H. H., Coyle, P., Tang, P., Yassine, H. M., . . . Abu-Raddad, L. J. (2024). Effectiveness of two and three doses of COVID-19 mRNA vaccines against infection, symptoms, and severity in the pre-omicron era: A time-dependent gradient.
Chicago Style (17th ed.) CitationLayan, Sukik, et al. Effectiveness of Two and Three Doses of COVID-19 MRNA Vaccines Against Infection, Symptoms, and Severity in the Pre-omicron Era: A Time-dependent Gradient. 2024.
MLA (9th ed.) CitationLayan, Sukik, et al. Effectiveness of Two and Three Doses of COVID-19 MRNA Vaccines Against Infection, Symptoms, and Severity in the Pre-omicron Era: A Time-dependent Gradient. 2024.
Warning: These citations may not always be 100% accurate.