KNTV NBC Nightly News With Lester Holt December 3, 2019 10:24:00
>> reporter: tonight, attorneys announcing a class-action lawsuit against seattle children's hospital, claiming young patients were infected by aspergillus mold due to negligent maintenance of the air handling system. the hospital acknowledging last month at least 14 patients were sickened by the mold since 2001, including aiden wills, diagnosed with aspergillus fungal infection in january of 2009 after undergoing a procedure. he died two months later. >> simply put, we failed. >> reporter: in all, six patients died after becomi >>ooking back, we should have made the connection sooner. >> repo...