Infectious Disease

• Number of new tuberculosis cases: 8,916 (2019)
• Number of new salmonella cases: 58,371 (2019)
• Number of new Lyme disease cases: 34,945 (2019)
• Number of new meningococcal disease cases: 371 (2019)

Source: Health, United States, 2020-2021, table IDNotif [PDF – 9.8 MB]

• Number of visits to physician offices for infectious and parasitic diseases: 10.2 million

Source: National Ambulatory Medical Care Survey: 2019 National Summary Tables, table 13 [PDF – 865 KB]

• Number of emergency department visits with infectious and parasitic diseases as the primary diagnosis: 3.8 million
• Number of emergency department visits resulting in hospital admission with a principal hospital discharge diagnosis of infectious and parasitic diseases: 482,000

Source: National Hospital Ambulatory Medical Care Survey: 2021 National Summary Tables, table 10, 25 [PDF – 830 KB]

• Ambulatory Health Care Data
• Emerging Infectious Diseases
• Summary of Notifiable Diseases
• Centers for Disease Control and Prevention
• National Institute of Allergy and Infectious Diseases