When a fungus invades the lungs, immune cells can tell it to self-destruct
Mouse study points to why breathing in spores from one mold species doesn’t usually cause health problems
![a common fungus, Aspergillus fumigatus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/09/090717_lh_fungus_feat_free.jpg?fit=860%2C460&ssl=1)
FUNGUS AMONG US Aspergillus fumigatus (shown) is a common fungus found in soil. New immunology research is helping explain why the organism can make immunocompromised people so sick, while going undetected by healthy people.
CDC