Why is palliative care important? to destroy the microbes causing infectious disease
to cure the patient from an infectious disease
to relieve the symptoms of an infectious disease
to prevent the contraction of an infectious disease

To relieve the symptoms of an infectious disease

Explanation:

The purpose of palliative care is to relieve the symptoms of a disease. It's applied to people who live with a serious, often incurable illness. Its goal is to improve the quality of life for both the patient and their family.

As this type of treatment is for people who are already ill and cannot be cured, the rest of the options are incorrect.

one would be wind another would be water density