The Nurse Notes All of These Findings in a 76-Year-Old

The nurse notes all of these findings in a 76-year-old patient who has influenza. Which information will be most important to communicate to the health care provider?

A) Fever of 100.4° F (38° C)
B) Myalgia and persistent headache
C) Diffuse crackles in the lungs
D) Sore throat and frequent cough