Final answer:
A communicable disease is any illness that can be transmitted from one person to another. It can be temporary or life-long, and can be contagious and spread through direct or indirect contact with an infected individual or their bodily fluids.
Step-by-step explanation:
The BEST definition of a communicable disease is any illness, temporary or life-long, that can be transmitted from one person to another. This means that communicable diseases can be contagious and can spread through direct or indirect contact with an infected individual or their bodily fluids. Examples of communicable diseases include the common cold, influenza, HIV/AIDS, and COVID-19.
Learn more about Communicable disease