2022
DOI: 10.1016/j.xcrm.2022.100706
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Immunogenicity and reactogenicity of heterologous immunization against SARS CoV-2 using Sputnik V, ChAdOx1-S, BBIBP-CorV, Ad5-nCoV, and mRNA-1273

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Cited by 28 publications
(33 citation statements)
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References 35 publications
(37 reference statements)
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“…In BBIBP-primed individuals, all heterologous combinations led to stronger immune responses than the homologous regimen. These findings corroborate the results of antibody analyses from the complete ECEHeVac cohort (which included three additional centres in Argentina) 32 . In general, the administration of mRNA-1273 as Dose 2 clearly improved immunogenicity in all assessed conditions.…”
Section: Discussionsupporting
confidence: 86%
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“…In BBIBP-primed individuals, all heterologous combinations led to stronger immune responses than the homologous regimen. These findings corroborate the results of antibody analyses from the complete ECEHeVac cohort (which included three additional centres in Argentina) 32 . In general, the administration of mRNA-1273 as Dose 2 clearly improved immunogenicity in all assessed conditions.…”
Section: Discussionsupporting
confidence: 86%
“…Thus, a vaccine response that induces less IgG switching of mBCs might lead to a broader immune response, increasing immunity against viral variants. Concordantly, another recent study of homologous vs. heterologous vaccine combinations showed that BBIBP/mRNA-1273 had the highest neutralizing activity against the Omicron variant 32 .…”
Section: Discussionmentioning
confidence: 71%
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“…Such heterologous vaccination also seems to be applicable and productive compared to homologous vaccination in a pragmatic approach to COVID-19 vaccination (5), and other diseases such as HIV (6) and Ebola (21). On the contrary, short-term reactogenicity was higher with heterologous regimes than with homologous regimes (22). Results from studies in developed countries indicate the safety (tolerability) and effectiveness of heterologous prime-boost vaccination (13).…”
Section: Introductionmentioning
confidence: 99%
“…Con la vacunación se logra disminuir la morbilidad y mortalidad de la población vacunada, gracias a la creación de anticuerpos específicos para combatir el virus que causa la COVID-19 (Luzuriaga et al, 2021). Sin embargo, una sola dosis no es suficiente para la total inmunización del paciente, por ello es necesario aplicar dosis de refuerzo requeridas y recomendadas por las autoridades sanitarias, tomando en consideración aspectos propios de la persona a vacunar, como por ejemplo: individuos pertenecientes a un grupos de riesgo o mayor vulnerabilidad al virus como son inmunodeprimidos, ancianos o niños; vivir en zonas geográficas de alta incidencia de casos covid-positivos registrados, así como zonas de altos índices poblacionales donde exista mayor recurrencia a la exposición involuntaria al SARS-CoV-2; por último en el caso de los niños, se exhorta iniciar la vacunación a partir de los 5 años de edad, cumpliendo un esquema hasta una tercera dosis, mientras que en adultos los esquemas recomendados hasta el momento, son inclusive una cuarta dosis, de allí derivan grandes desafíos logísticos y materiales en los servicios de salud a nivel mundial, para el cumplimiento de los esquemas propuestos a la luz de las nuevas investigaciones al respecto (Pascuale et al, 2022).…”
Section: Introductionunclassified