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

• DOI: 10.3389/fpubh.2024.1402527
• Publication Date: 2024-06-12T04:20:17Z
• Authors: Maria Elena Camac...; Viviana Leticia M...; Carlos Cuauhtémoc...; Beatriz Silva-Ram...; Katia Peñuelas-Ur...; Laura González-Es...; Brenda Leticia Es...; Jorge Eleazar Cru...; Roberto Corrales-...; Salvador Gómez-Ga...; Mario Bermúdez-de...
• Keywords: Pandemic; 2019-20 coronavirus outbreak

The end of the coronavirus disease 2019 (COVID-19) pandemic has been declared by World Health Organization on May 5, 2023. Several vaccines were developed, and new data is being published about their effectiveness. However, clinical trials for performed before Omicron variant appeared there are population groups where vaccine effectiveness still needs to be tested. overarching goal present study was analyze effects COVID-19 vaccination after in patients considering comorbidities a from Nuevo Leon, Mexico.