Hantavirus Disease, by State of Reporting

As of January 2017, 728 cases of hantavirus disease have been reported since surveillance in the United States began in 1993. These are all laboratory-confirmed cases and include hantavirus pulmonary syndrome (HPS) and non-pulmonary hantavirus infection.

The map below shows the distribution by state of hantavirus cases in the United States from 1993 to January 2017.

County-level data for hantavirus cannot be provided to prevent the disclosure of any individually identifiable health information. Contact your local or state health department for information about hantavirus disease incidence in your county.

Hantavirus Disease Characteristics in the United States

Based on the national surveillance data collected by the NNDSS for hantavirus disease, the following table describes some important characteristics of hantavirus disease in the United States.

Table 1. Hantavirus Disease Characteristics in the United States
Characteristic Number
Cases of hantavirus infection (HPS and non-pulmonary hantavirus infection), as of January 2017 728 cases
Patients ill with HPS (Sex) 63% Male
37% Female
Patients ill with HPS (Race) 78% White
18% American Indian
1% African American
1% Asian
Mean age of confirmed case patients 38 years (range 5 to 84 years)
Reported HPS cases resulting in death. 36%
Cases occurring in states west of the Mississippi River 96%

Cumulative Case Count through January 2017 per State Based on Data Collected by the Nationally Notifiable Disease Surveillance System (NNDSS)

Cumulative Case Count per state, valid as of January 2017. See table below for more state details.

Total Cases: N= 728 in 36 States
Not displayed: 2 cases reported with presumed exposure outside the USA

State Cases
AR 1
AZ 78
CA 61
CO 104
CT 1
FL 1
IA 11
ID 21
IL 4
IN 4
KS 16
LA 6
MA 1
ME 1
MI 1
MN 1
MT 43
NC 1
ND 16
NE 9
NM 109
NV 28
NY 3
OK 6
OR 21
PA 9
RI 1
SD 17
TX 45
UT 38
VA 1
VT 2
WA 50
WI 3
WV 1
WY 13