It generally occurs in people with lung diseases such as asthma, cystic fibrosis or tuberculosis, or those who are immunocompromized such as those who have had a stem cell or organ transplant or those who take medications such as steroids and some cancer treatments which suppress the immune system.
This condition typically affects people with lung illnesses like asthma, cystic fibrosis, or tuberculosis, or individuals whose immune systems are weakened due to factors such as having received a stem cell or organ transplant or taking immunosuppressant drugs like steroids or some cancer therapies.