Hantavirus Detections in San Diego County

deer mouse


Hantavirus is a rare, and potentially fatal airborne disease that humans catch from infected rodents, particularly Harvest and Deer mice. The infection occurs when airborne virus particles from rodent droppings are inhaled. The virus does not spread from person to person.

Hantavirus positive finds map

2019 Hantavirus Positive Rodents

2019 Activity
 Number of Positive Rodents to Date Date Found Community Area Rodent Species
30 7/25/2019 Warner Springs Deer Mouse
29  7/11/2019  Escondido  Cactus Mouse 
28  7/11/2019  Escondido  Deer Mouse 
27  6/21/2019  Santa Ysabel  Deer Mouse 
26  6/21/2019  Santa Ysabel  Brush Mouse 
25  6/20/2019  Santa Ysabel  Deer Mouse 
24  6/18/2019  Valley Center  Cactus Mouse 
23 6/12/2019 Santa Ysabel Brush Mouse
22 5/14/2019 Fallbrook Deer Mouse
21 4/16/2019  Fallbrook  Deer Mouse 
20 3/20/2019 Boulevard Deer Mouse
19 3/20/2019 Boulevard Deer Mouse
18 3/20/2019 Boulevard Deer Mouse
17  2/28/2019  Fallbrook  Deer Mouse 
16  2/27/2019  Fallbrook  Deer Mouse 
15  2/27/2019  Fallbrook  Deer Mouse 
14  2/27/2019  Fallbrook  Deer Mouse 
13  2/26/2019  San Diego  California Vole 
12  2/26/2019 San Diego Deer Mouse 
11  2/26/2019 San Diego Western Harvest Mouse 
10  2/26/2019 San Diego Western Harvest Mouse 
2/7/2019  Boulevard  Deer Mouse  
 8  1/24/2019  San Diego    Western Harvest Mouse  
 7  1/24/2019  San Diego  Western Harvest Mouse
 6  1/24/2019  San Diego  Western Harvest Mouse
5 1/15/2019 San Diego Western Harvest Mouse
 4  1/15/2019 San Diego  Western Harvest Mouse
 3  1/10/2019 Potrero  California Mouse
 2  1/10/2019  Bonsall  Western Harvest Mouse
1 1/10/2019  Bonsall  Cactus Mouse

Archived Hantavirus Information

Last Updated: July 18, 2019

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For More Information On
Hantavirus Or Other Vectors Contact:
(858) 694-2888  
vector@sdcounty.ca.gov