health
diciembre 23, 2025
En Medellín se registró el primer caso de influenza A(H3N2) reportado en Colombia: esto es lo que se sabe
Este martes 23 de diciembre de 2025, el Instituto Nacional de Salud confirmó el primer caso positivo de influenza A(H3N2) en Colombia, que fue identif...

TL;DR
- The first case of influenza A(H3N2) in Colombia was confirmed in Medellín.
- The infected individual is a two-year-old who had recently traveled on a cruise from Miami.
- The case presented with mild symptoms and the child has fully recovered.
- Colombian health authorities, including the INS and the Mayor of Medellín, are advising the public to remain calm.
- The current influenza vaccine for 2025 includes the A(H3N2) strain and is considered effective in preventing severe complications, hospitalizations, and deaths.
- There has been no reported increase in acute respiratory infections, hospitalizations, or deaths associated with this strain in Colombia.
- Medellín's respiratory illness indicators show stable behavior, with some decreases in consultations and hospitalizations.
- Preventive measures for international travelers include vaccination at least two weeks before travel, mask usage if symptomatic in crowded areas, and frequent handwashing.