What do you understand about means of spread with reference to disease?
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Infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, blood and body secretions, through sexual contact, and through contaminated food and water.
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Infectious diseases are caused by organisms (germs) such as bacteria, viruses, fungi or parasites. Germs are a part of everyday life and are found in the air, soil, water and in and on our bodies
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