Effectiveness of COVID-19 vaccines in Ecuador: A test-negative design.
Pérez-Tasigchana F, Valcárcel-Pérez I, Arias-Quispe M, Astudillo L, Bruno A, Herrera G M, Armas R, de Mora D, Pinos J, Olmedo A, Salas R, Jimbo-Sotomayor R, Chiluisa C, Acosta P, Sánchez X, Whittembury A.
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Vaccine X. 2023 Nov 8;15:100404. doi: 10.1016/j.jvacx.2023.100404. eCollection 2023 Dec.
Vaccine X. 2023.
PMID: 38033879
Free PMC article.