Q13 of 328 Page 300

List two means of spreading of infectious disease.

Infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person,


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Explain why antibiotics are more effective in curing bacterial disease than viral diseases?

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What is human immune system? What is a vaccine? How immunisation can be achieved?

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List any two differences between infectious and noninfectious diseases. Write any one example of each disease.