SURAKARTA – The term “super flu,” which has recently been widely discussed, refers to the influenza A virus type H3N2 subclade K. This variant was first identified by the United States Centers for Disease Control and Prevention (CDC) in August 2025.
An epidemiologist from Muhammadiyah University of Surakarta (UMS) believes the emergence of super flu does not warrant excessive panic. Although it has more severe symptoms than seasonal flu, this disease is considered less dangerous than COVID-19 and can still be controlled.
UMS epidemiologist, Prof. Dr. Yuli Kusumawati, SKM., M.Kes, stated that according to data from the Indonesian Ministry of Health, as of early January 2026, there were 62 cases of super flu recorded in Indonesia, spread across several regions, including West Java, East Java, and South Kalimantan.
“Super flu is a mutation of the influenza A H3N2 virus. It is more contagious and produces more severe symptoms, such as high fever, cough, severe runny nose, muscle aches, and weakness,” she explained.
He explained that the number of recorded cases likely does not fully reflect the situation on the ground because many cases are still diagnosed as the common flu without viral genome testing. Tropical climate factors and extreme weather are also considered to play a role in increasing the risk of transmission.
Nevertheless, Yuli emphasized that the fatality rate for superflu is relatively low. Severe cases generally occur in vulnerable groups or patients with comorbidities.
He urged the public to remain vigilant by practicing Clean and Healthy Living Behaviors (PHBS), maintaining good immunity, wearing masks when experiencing symptoms or in crowds, and considering the influenza vaccine as a preventative measure.
Indonesia’s experience in dealing with the Covid-19 pandemic is considered an important asset in increasing public preparedness for future infectious disease threats.