Influenza: With Hot Temperatures Suddenly Down, Flu Season Has Set in Early
Editorial
15:39 JST, October 16, 2025
The flu season has already begun. Many people may be surprised by this, given that hot temperatures continued until recently. Hopefully, people will stay on the alert and take precautions against the full-fledged spread of influenza.
The Health, Labor and Welfare Ministry announced that the nation has entered the period for influenza to spread rapidly. This is based on reports from medical institutions nationwide showing an average of 1.04 patients per institution during the week of Sept. 22 to 28, exceeding the threshold of one patient to determine the start of the season.
The following week saw a 50% increase in the number of patients, marking the seventh consecutive week of growth.
As there were few flu cases during the........





















Toi Staff
Gideon Levy
Sabine Sterk
Tarik Cyril Amar
Stefano Lusa
Mort Laitner
John Nosta
Ellen Ginsberg Simon
Gilles Touboul
Mark Travers Ph.d
Daniel Orenstein