How common is histoplasmosis?Infection with histoplasmosis is common, but the disease is rare. As many as 80 percent of persons living in U.S. areas where the fungus is common have a positive skin test, meaning they have had the infection in the past. However, most of these people do not have a history of histoplasmosis symptoms.
Is histoplasmosis an emerging infectious disease?
Yes. Histoplasmosis is on the rise, mainly because of the growing number of persons with weakened immune systems. These include persons with HIV infection, those who have had a bone marrow or organ transplant, and those receiving chemotherapy for cancer.
How can histoplasmosis be prevented?
It is not practical to test or decontaminate all areas that are known to be or might be contaminated with the histoplasmosis fungus, but these steps can reduce the risk of exposure:
Avoid areas where the fungus might be growing, especially areas with accumulations of bird or bat droppings. The fungus often grows around old chicken houses, in caves and other areas where bats live, and around starling and blackbird roosts.
Avoid disturbing accumulations of bat or bird droppings, and minimize exposure to dust in potentially contaminated sites. Before stirring up the soil, spray the area with a mist of water.
When working in high-risk areas, wear disposable clothing and a dust mask that covers the nose and mouth.
Is histoplasmosis an emerging infectious disease?
Yes. Histoplasmosis is on the rise, mainly because of the growing number of persons with weakened immune systems. These include persons with HIV infection, those who have had a bone marrow or organ transplant, and those receiving chemotherapy for cancer.
How can histoplasmosis be prevented?
It is not practical to test or decontaminate all areas that are known to be or might be contaminated with the histoplasmosis fungus, but these steps can reduce the risk of exposure:
Avoid areas where the fungus might be growing, especially areas with accumulations of bird or bat droppings. The fungus often grows around old chicken houses, in caves and other areas where bats live, and around starling and blackbird roosts.
Avoid disturbing accumulations of bat or bird droppings, and minimize exposure to dust in potentially contaminated sites. Before stirring up the soil, spray the area with a mist of water.
When working in high-risk areas, wear disposable clothing and a dust mask that covers the nose and mouth.