Table 2: Historical US VRSA case count and geographical information [25,31].
| Cases (Number) | Year | Age range | Source Diagnosis | Underlying conditions |
| Michigan (8) | 2002 to 2009 | 40-78 | Skin and skin structure infections | Obesity, diabetes, renal disease, rheumatologic diseases, skin disease |
| Pennsylvania (1) | 2002 | 70 | Osteomyelitis | Obesity |
| New York (1) | 2004 | 63 | Colonization | Diabetes, renal disease, rheumatologic disorder |
| Delaware (4) | 2010 to 2015 | 64-83 | Skin and skin structure infections, prosthetic device infection | Diabetes, renal disease, GI mucosal barrier infection |