Several Nurses Who Work in the Emergency Department of an Urban

Several nurses who work in the emergency department of an urban hospital notice during the evening shift that a number of children in a certain ethnic population have all come in presenting with similar symptoms. The first step the nurses take to address the issue is which of the following? (Select all that apply.)

A) Increase antibiotic therapy availability
B) Identify characteristics of the disease
C) Group patients by diagnosis
D) Notify the public health department
E) Assess the environment of the patients