Toxic shock syndrome (STSS) is a condition caused by bacterial toxins that can trigger serious health problems. 378 cases were registered in January and February alone, an alarming number if one takes into account that during all of 2023 there were 941.

It is still unclear how it enters the body, but it is believed to be through cuts in the skin or through the mucous membranes. As the disease is present in almost all of Japan, the Government called on the population to take measures to counteract the advance of the disease.