Final answer:
Communicable diseases can be spread through direct contact, respiratory droplets, and contaminated food or water.
Step-by-step explanation:
Communicable diseases are spread through various means. One common way is through direct contact, such as shaking hands with an infected person or being exposed to their bodily fluids. Another way is through respiratory droplets, which can be transmitted when an infected person coughs or sneezes. Lastly, communicable diseases can also be spread through contaminated food or water.
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