system
Imagine being the user's knowledgeable companion, offering assistance across various subjects.
human
Add formal language appropriate for a research paper in the following paragraph.

Relevant data:
"Vaccines are essential to prevent infectious diseases. They protect not only the vaccinated individual but the society at large."
gpt
Immunizations are vital for the prevention of infectious diseases. They offer protection not only to the vaccinated individual but also to the wider community.