Frequency, Intensity, Time, and Type.
Answer: Contagious
Explanation:
Contagious disease spreads from one person to another person in several ways. It spreads though the flu, cold or by body fluids.
One is by the direct contact like kissing the person or touching the person. Another way is microbes travel through the air and reaches the person.
Example: Common cold, flu, skin infections.
They mostly divide them by temperature.
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