During the 37thweek of 2023, there were a total of 8,001 cases of 20 kinds of legal infectious diseases reported, and 4 cases died in Beijing. The top five diseases with a large number of cases are COVID-19, Hand, Foot and Mouth Disease, Other Infectious Diarrhea, Influenza, and Syphilis, accounting for 94.5% of the total number of cases of legal infectious diseases.