Question

What is the difference between infectious and noninfectious disease?

Answer 1

Infectious diseases are caused by pathogens; noninfectious diseases are not.

Step-by-step explanation:

Both infectious and noninfectious diseases can be serious. Many noninfectious diseases are treatable as are most infectious ones. Communicable diseases are spread from person to person; noncommunicable diseases are not.

Answer 2

infectious diseases are caused by pathogens such as viruses, bacteria, and parasites and can be spread by direct contact or through vectors. Noninfectious diseases cannot be “caught” from other humans or animals.