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COVID-19 in Latin America: Clinical and immunological insights, vaccine development, and lessons for pandemic preparedness
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DOI：10.1016/j.smim.2026.102025.png)
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Abstract
En 中文
The COVID-19 pandemic had a profound impact on Latin America, exposing structural inequalities, fragmented healthcare systems, and longstanding technological dependence. The region experienced a high burden of infection and excess mortality, influenced by socioeconomic vulnerability and a high prevalence of metabolic comorbidities. In response, countries expanded diagnostic capacity, strengthened genomic surveillance, and increased participation in clinical research and therapeutic evaluation. Coordinated regional collaboration facilitated the detection and tracking of emerging SARS-CoV-2 variants. Local innovation also advanced diagnostic platforms and vaccine development, leading to regionally produced vaccines such as Soberana, Abdala, ARVAC, and Patria. These initiatives generated valuable clinical and immunological data, including characterization of inflammatory biomarkers associated with severe disease and evidence of hybrid immunity in highly exposed populations. However, persistent inequities in healthcare access, research investment, and manufacturing capacity continue to constrain regional self-sufficiency. Although collaboration among academia, industry, and government reduced certain external dependencies, structural limitations in funding stability, regulatory harmonization, and large-scale production remain. The Latin American experience highlights both adaptive scientific capacity during crisis conditions and the challenges of consolidating emergency-driven advances into durable preparedness. Sustained investment and coordinated governance will likely determine whether short-term responsiveness translates into long-term regional strengthening.
Keywords:
COVID-19
COVID-19 Vaccines
SARS-CoV-2
Latin America
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