During the 41stweek of 2023, there were a total of 5,604 cases of 17 kinds of legal infectious diseases reported, and 7 cases died in Beijing. The top five diseases with a large number of cases are COVID-19, Hand, Foot and Mouth Disease, Influenza, Other Infectious Diarrhea, and Syphilis, accounting for 91.3% of the total number of cases of legal infectious diseases.