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The COVID-19 epidemic curve and vaccine acceptance among patients with rheumatic diseases: an ecological study.

Alfonso Gastelum-StrozziDiana Elsa Flores-AlvaradoVirginia Pascual-RamosEverardo Álvarez-HernándezCesar Francisco Pacheco TenaGuillermo Arturo Guaracha-BasáñezConrado García GarcíaSusana Aideé González-ChávezJosé Francisco Moctezuma-RíosAmaranta Manrique de LaraJorge Antonio Esquivel-ValerioVirginia Pascual-RamosDionicio Ángel Galarza-DelgadoJanitzia Vazquez-MelladoIngris Pelaez-BallestasGreta Cristina Reyes-Cordero
Published in: Rheumatology international (2023)
The attitudes toward emerging COVID-19 vaccines have been of great interest worldwide, especially among vulnerable populations such as patients with rheumatic and musculoskeletal diseases (RMDs). The aim of this study was to analyze the relationship between the nationwide number of COVID-19 cases and deaths, and vaccine acceptance or hesitancy of patients with RMDs from four patient care centers in Mexico. Furthermore, we explored differences in acceptance according to specific diagnoses: rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). This ecological study was a secondary analysis of a cross-sectional study using a validated questionnaire to measure vaccine acceptance. We generated a global Likert scale to evaluate overall attitudes toward the COVID-19 vaccine. We analyzed data from 1336 patients from March to September 2021: 85.13% (1169) were women, with a mean age of 47.87 (SD 14.14) years. The most frequent diagnoses were RA (42.85%, 559) and SLE (27.08%, 393). 635(47.52%) patients were unvaccinated, 253(18.93%) had one dose and 478(35.77%) had two doses. Of all participating patients, 94% were accepting toward the COVID-19 vaccine. Vaccine acceptance remained consistently high throughout the study. However, differences in vaccine acceptance are identified when comparing diagnoses. The peak of the national epidemic curve coincided with an increase in hesitancy among patients with RA. Contrastingly, patients with SLE became more accepting as the epidemic curve peaked. Mexican patients show high acceptance of the COVID-19 vaccine, influenced in part by a patient's specific diagnosis. Furthermore, vaccine acceptance increased mirroring the curve of COVID-19 cases and deaths in the country. This should be taken into consideration when updating recommendations for clinical practice.
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