Japan has officially announced ⁣a nationwide influenza epidemic following a sudden and meaningful increase in cases. As of October 3, 2023, 4,030 individuals were hospitalized with teh flu, a figure approximately four times higher than the number reported⁤ just one week prior, according to health officials.

The surge in infections has led to temporary closures of at least 135 schools and childcare centers in an effort to curb⁣ the virus's spread. Medical professionals are describing this year's flu season as exceptionally severe.