An 80-Year-Old Client Is Concerned About Contracting Pneumonia

An 80-year-old client is concerned about contracting pneumonia.The nurse educates her that the key to prevention is:

A) early recognition of the symptoms.
B) being vaccinated against the disease every 5 years.
C) minimizing contact with the public during the winter months.
D) supplementation of daily diet with various vitamin C sources.