Give major differences between infectious and non infectious diseases. (any two).

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Solution

Infectious disease
Non-infectious disease

These are caused by the attack of pathogens (viruses, bacteria, fungi, protozoans, worms).

These are caused by factors other than living pathogens.

These can spread from infected person to healthy person(s).

These cannot spread from infected person to healthy person(s).

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Infectious disease	Non-infectious disease
These are caused by the attack of pathogens (viruses, bacteria, fungi, protozoans, worms).	These are caused by factors other than living pathogens.
These can spread from infected person to healthy person(s).	These cannot spread from infected person to healthy person(s).