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outside of the National Institutes of Health. Aspergillosis is
an infection, growth, or allergic response caused by the
Aspergillus fungus. There are several different kinds of
aspergillosis. One kind is allergic bronchopulmonary
aspergillosis (also called ABPA), a condition where the fungus
causes allergic respiratory symptoms similar to asthma, such as
wheezing and coughing, but does not actually invade and destroy
tissue. Another kind of aspergillosis is invasive aspergillosis.
This infection usually affects people with weakened immune
systems due to cancer, AIDS, leukemia, organ transplantation,
chemotherapy, or other conditions or events that reduce the
number of normal white blood cells. In this condition, the
fungus invades and damages tissues in the body. Invasive
aspergillosis most commonly affects the lungs, but can also
cause infection in many other organs and can spread t