Core Viewpoint - The article highlights a significant increase in whooping cough cases in Japan, indicating a public health concern that has been escalating since last year, with a notable rise in cases reported in recent weeks [1] Summary by Relevant Sections - **Recent Statistics**: From June 30 to July 6, Japan reported 3,578 new cases of whooping cough, marking a record for weekly new cases since the current statistical method was adopted. The total number of cases for the year has surpassed 40,000 [1] - **Cumulative Cases**: Since 2025, the cumulative number of whooping cough cases in Japan has reached 43,728, which is more than ten times the total cases reported for the entire previous year [1] - **Global Context**: Experts indicate that the spread of whooping cough in Japan is not an isolated incident, as the disease has also been prevalent in several other countries since last year [1]