The impact of comorbidity status in COVID-19 vaccines effectiveness before and after SARS-CoV-2 omicron variant in northeastern Mexico: a retrospective multi-hospital study

• Main Authors: Maria Elena Camacho-Moll (Author), Viviana Leticia Mata-Tijerina (Author), Carlos Cuauhtémoc Gutiérrez-Salazar (Author), Beatriz Silva-Ramírez (Author), Katia Peñuelas-Urquides (Author), Laura González-Escalante (Author), Brenda Leticia Escobedo-Guajardo (Author), Jorge Eleazar Cruz-Luna (Author), Roberto Corrales-Pérez (Author), Salvador Gómez-García (Author), Mario Bermúdez-de León (Author)
• Format: Book
• Published: Frontiers Media S.A., 2024-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

IntroductionThe end of the coronavirus disease 2019 (COVID-19) pandemic has been declared by the World Health Organization on May 5, 2023. Several vaccines were developed, and new data is being published about their effectiveness. However, the clinical trials for the vaccines were performed before t...