The term ‘super flu’ has recently attracted public attention amid a rise in influenza cases.
Indonesia’s Ministry of Health reported that, as of January 2026, at least 74 cases of so-called super flu had been recorded across 13 provinces, including approximately 18–35 cases detected in East Java, particularly in Surabaya.
Despite the increase in cases, the term is not a recognised medical classification. According to Dr Yolanda Njotowibowo, Sp.PK, at Mayapada Hospital Surabaya, “super flu” is used informally to describe the Influenza A (H3N2) subclade K variant, which spreads more rapidly and may cause more pronounced symptoms compared with typical seasonal influenza.
“‘Super flu’ refers to a surge in seasonal influenza cases caused by the subclade K variant, and not to a new virus,” she explained. “To date, there is no scientific evidence suggesting that this variant is more severe than COVID-19 or other seasonal influenza strains, nor that it poses a pandemic threat.”
Symptoms May Be More Intense
In general, the symptoms resemble those of ordinary seasonal flu, although some patients may experience more severe complaints. Fever may be higher and last longer than usual.
“Patients typically report fatigue, muscle aches, headaches, dry cough and sore throat. In some cases, body temperature can rise above 39–40°C. If not managed properly, the infection may develop into complications such as pneumonia. Early vigilance is therefore essential, particularly for high-risk groups,” Dr Yolanda added.
Although anyone can contract the virus, certain groups face a higher risk of complications. These include older adults, children, pregnant women, and individuals with underlying conditions such as heart disease, diabetes, or weakened immune systems. The Influenza A (H3N2) subclade K variant is known to spread more easily, particularly in crowded settings and through close contact.
Vaccination Remains Key
Amid the rising number of cases, influenza vaccination remains one of the most effective preventive measures. Vaccination can help reduce the risk of infection and minimise the severity of symptoms.
Dr Ivan Andre Hartono, M.Biomed, Sp.PD, also from Mayapada Hospital Surabaya, emphasised the continued importance of immunisation.
“The influenza vaccine may not completely prevent infection, including infection with the subclade K variant. However, it helps the body produce antibodies, which significantly reduces the likelihood of severe symptoms and complications,” he explained.
In addition to vaccination, maintaining standard health precautions remains essential. “Wearing masks, practising regular hand hygiene, and maintaining physical distance — particularly in crowded areas or when interacting with unwell individuals — are still effective measures to reduce transmission,” Dr Ivan added.
Access to Vaccination and Medical Consultation
In response to the increase in cases, Mayapada Hospital Surabaya (MHSB) is providing influenza vaccination services to support community protection, particularly for high-risk groups. The service is also available at other Mayapada Hospital units.
Individuals seeking medical consultation or health evaluation related to flu symptoms may consult specialist doctors at Mayapada Hospital. Information and appointment bookings are available via the 150770 call centre or through the MyCare application.
The MyCare app also provides health information on influenza and preventive measures through its Health Articles & Tips feature. Users can additionally monitor their wellbeing using the Personal Health function, which tracks heart rate, step count, calories burned, and Body Mass Index (BMI).