Resumen

RISQUEZ PARRA, Alejandro. Influenza vaccination in tropical regions: considerations for Venezuela 2025. Rev. Digit. Postgr. [online]. 2025, vol.14, n.2, e423.  Epub 30-Sep-2025. ISSN 2244-761X.  https://doi.org/10.37910/rdp.2025.14.2.e423.

The World Health Organization (WHO) annually updates the composition of influenza vaccines for the northern and southern hemispheres based on findings from global reference laboratories. In tropical regions, vaccination is recommended year-round due to the continuous circulation of the virus and the increase in cases at the beginning of the rainy season. Annual vaccination is essential, especially for high-risk groups such as children, the elderly, pregnant women, healthcare workers, and people with chronic diseases. In Venezuela, the available vaccines are egg-based, with greater distribution of those from the southern hemisphere. The recommended strains for 2025 include A/Victoria/4897/2022 (H1N1) pdm09, A/Croatia/10136RV/2023 (H3N2), and B/Austria/1359417/2021 (lineage B/Victoria). Influenza vaccination reduces the risk of infection, hospitalization, and severe complications, and also offers community protection.

Palabras clave : Influenza vaccines; Tropical regions; High-risk groups; Recommended strains; Disease prevention.

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