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FOR RELEASE: November 21, 2001
Hantavirus Death Confirmed in Texas County
The Oklahoma State Department of Health is investigating the second case of Hantavirus Pulmonary Syndrome (HPS) to be confirmed in Oklahoma since this serious disease was first identified in the United States in 1993. This recent case was a 17- year-old woman who resided in Texas County. The woman became ill with respiratory symptoms and died on Nov. 13, 200l. Blood tests performed at the Centers for Disease and Prevention (CDC) later confirmed that she was infected with hantavirus.
Hantavirus is carried by wild rodents, particularly deer mice in Oklahoma and the southwestern United States. Infected rodents do not show signs of illness but shed the virus in their urine, droppings and saliva. The virus is transmitted to people when they breathe in air contaminated with the virus, usually when dried rodent urine, droppings or nesting materials are stirred up and tiny droplets containing the virus get into the air. Breathing in the virus is the most common way of becoming infected; however, you can also become infected with hantavirus by touching the mouth or nose after handling contaminated materials, or through a bite from an infected rodent.
Most cases of HPS have been associated with entering rodent-infested vacant cabins or other dwellings, cleaning barns or other outbuildings, disturbing rodent-infested areas while hiking or camping, planting or harvesting fields, and living in or visiting areas where there has been an increase in rodents. Cleaning in an around your home can also put you at risk for hantavirus if rodents have made it their home too. Rodents are more likely to enter homes when the weather turns cold.
Symptoms of HPS usually appear within two weeks of exposure to the virus, but can appear as early as 3 days to as late as 6 weeks after infection. Early symptoms often include fever, chills, headache, cough, and body aches. Nausea, vomiting, and diarrhea may also be present. As the disease progresses, lungs begin filling with fluid, making breathing very difficult. Any person who has been around rodents and experiences these symptoms should contact their physician.
The key in preventing an illness caused by a hantavirus is avoiding rodents and rodent waste. The following steps will help reduce exposure to rodents and thus reduce the risk of developing HPS.
To clean up areas potentially contaminated with rodent waste, ventilate areas inside closed buildings at least 30 minutes. Use rubber gloves and spray the nest, dead rodents or droppings until soaked with a household disinfectant solution of 1½ cups of bleach in 1 gallon of water. Remove the nest or rodent(s) using a long-handled shovel or rubber gloves. Double-bag and dispose in trash; persons in rural areas may bury the waste 2 to 3 feet deep. Spray the area again with the disinfectant solution. Using rubber gloves, wipe up the area with paper towels or rags and double-bag and dispose them in trash container. Make certain to wash hands with soap and water after the cleanup.
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