adolescents

In the second week of 2026, the number of suspected influenza cases per 1,000 outpatients rose to 40.9, a slight increase from the previous week.
Incidence is highest among children and adolescents aged 7–18, with Influenza B detection rates climbing to 17.6%.
The Korea Disease Control and Prevention Agency recommends following respiratory infection prevention guidelines and urges high-risk groups to get vaccinated.