Influenza

Jorge Carrasco, president of the Chilean Society of Pediatrics, said flu vaccine coverage for children under five stands at only 60.54%, below the 80% target.

18 giugno 2026 Riportato dall'IA

The Ministry of Health reported that positivity of respiratory samples reached 52% during epidemiological week 23, the highest figure of the year. Influenza A remains the predominant virus, though with a slight decline.

Following initial alerts across Europe and the US, the Influenza A H3N2 subclade K variant—dubbed 'super flu'—has escalated into one of the most severe early outbreaks in the US and UK. The 2024-25 season marks the worst in the US since 2017-18 and earliest in the UK since 2003-04, with vaccines showing reduced effectiveness against this strain.

30 dicembre 2025 Riportato dall'IA

Building on international alerts, Colombia's Ministry of Health confirmed the first case of influenza A(H3N2) subclade K in a traveler with mild symptoms. Officials are monitoring this seasonal variant, with pediatric experts urging enhanced prevention amid peak transmission risks for children.

At Tallängens school in Kumla municipality, 100 students—nearly half the school—have fallen ill with influenza simultaneously. This outbreak coincides with the start of Sweden's 2025 flu season, dominated by the so-called K-variant. Transmission is expected to rise in the coming weeks.

22 novembre 2025 Riportato dall'IA

A new mutated seasonal influenza variant from the UK is spreading rapidly in Sweden, evading the immune system. Authorities warn of a tougher season than usual and urge more people to vaccinate, especially risk groups. Experts discuss how severe the winter could become.