Flu Jab advise: Korea faces early flu surge – The Korean Times
Singapore, Nov 7, 2025
South Korea is currently grappling with one of its most intense influenza seasons in recent years — with infection rates more than tripling compared to last year and showing sharp spikes among school-aged children and adults over 50.
According to the Korea Disease Control and Prevention Agency (KDCA), influenza-like illness (ILI) cases for the 43rd week of 2025 (October 19–25) surged to 13.6 cases per 1,000 outpatients, up from 7.9 cases the previous week. This figure not only surpasses the national epidemic threshold of 9.1 but is also 3.5 times higher than the same period in 2024 (3.9 cases).
Who’s Most Affected?
Children and older adults appear to be bearing the brunt of this surge.
-
Ages 7–12: 31.6 cases per 1,000 outpatients
-
Ages 1–6: 25.8 cases per 1,000 outpatients
The dominant strain driving the outbreak is Influenza A (H3N2) — a highly contagious and virulent subtype known for affecting both humans and animals, and historically linked to several global flu pandemics. In contrast, Influenza B tends to cause milder, more localized outbreaks.
Government Response
In response, Korean health authorities have expanded vaccination drives and tightened flu surveillance nationwide. As of late October, 60.5% of seniors (65 and older) and 40.5% of children have received their flu vaccinations.
Officials warn that if the current trend continues, the 2025–26 flu season could be as severe or longer-lasting than last year’s. The KDCA urges high-risk groups — including seniors, pregnant women, and children — to get vaccinated as soon as possible, especially before the winter peak.
Advice for Visitors and Families
With Korea remaining a popular travel destination during the school holidays, it’s important for visitors and families to take extra precautions.
If you’re planning a trip, consider:
-
Getting vaccinated before departure
-
Wearing masks in crowded indoor spaces
-
Practicing good hand hygiene
-
Avoiding close contact with anyone showing flu-like symptoms
A little preparation can go a long way in ensuring a safe and enjoyable visit. Protect yourself — and your family — so you can make the most of your time in Korea this season.
