County Vector Control officials confirmed today that a wild mouse trapped during routine monitoring in the Los Penasquitos Canyon Preserve has tested positive for Hantavirus.
Officials are still conducting test to determine the extent of the virus.
The virus is carried by wild rodents, primarily deer mice and is carried in their droppings and in their urine.
The virus can be inhaled by humans when it is airborne and can begin with flu-like symptoms and in rare occasions, death.
There is no vaccine or specific treatment for Hantavirus, but here are some precautions that should be taken to avoid exposure:
Several precautions should be taken to avoid exposure:
Eliminate rodent infestations immediately.
Avoid rodent infested areas and do not stir up dust or materials that may be contaminated with rodent droppings and urine.
Clean up rodent droppings and urine using the wet cleaning method described below.
Do not sweep or vacuum. Instead, use wet cleaning methods:
Ventilate affected area by opening doors and windows for several hours.
Use rubber gloves. Spray a 10 percent bleach solution (2 tablespoons bleach to 1 cup of water) onto dead rodents, rodent droppings, nests, contaminated traps, and surrounding areas and let the disinfectant stand for at least 15 minutes before cleaning. Clean with a sponge or a mop.
Place disinfected rodents and debris into two plastic bags, seal them and discard in the trash.
Wash gloves in a bleach solution, then soap and water, and dispose of them using the same double-bag method. Thoroughly wash your bare hands with soap and water.
For more information, contact the County Department of Environmental Health at (858) 694-2888 or visit www.sdvector.com.
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