The Outpatient Health Care Data Show a Notable Increase in Asthma

The outpatient health care data show a notable increase in asthma over the numbers treated the previous year. Which of the following actions should the public health nurse take first? (Select all that apply.)

A) Analyze educational health programs offered to the public last year.
B) Congratulate the public health staff on the success of their asthma awareness program.
C) Determine whether there are any other data sources that might confirm or dispute the apparent increase in asthma.
D) Review data with the outpatient clinic staff such as confirming repeat visits versus newly diagnosed cases.