Infectious Disease

Data are for the U.S.

Morbidity
  • 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]

Physician office visits
  • Number of visits to physician offices for infectious and parasitic diseases: 7.2 million

Source: National Ambulatory Medical Care Survey: 2018 National Summary Tables, table 13 [PDF – 793 KB]

Emergency department visits
  • Number of emergency department visits with infectious and parasitic diseases as the primary diagnosis: 3.2 million
  • Number of emergency department visits resulting in hospital admission with a principal hospital discharge diagnosis of infectious and parasitic diseases: 765,000

Source: National Hospital Ambulatory Medical Care Survey: 2018 National Summary Tables, table 10, 25