Erica Roos, RN Staff Nurse, Division of Immunology Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Erica Roos, RN Staff Nurse, Division of Immunology Medical Services Programs & Services Allergy and Asthma Program Immunology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115