Communicable diseases spread from one person to another through air, water, food or contact. They are caused by pathogens like bacteria or viruses. Examples include flu, chickenpox, dengue and typhoid.
Class 8 Science Grade 8 Chapter 3 Health: The Ultimate Treasure question answer
Class 8 NCERT Science Curiosity Chapter 3 Health: The Ultimate Treasure solutions
Communicable diseases are illnesses that can pass from one person to another through various ways like touching, coughing, sneezing, contaminated food, water or insect bites. These diseases are caused by harmful microorganisms called pathogens, such as bacteria, viruses or fungi. Examples include malaria, COVID-19, measles and tuberculosis. Simple precautions like handwashing, using clean water, vaccination and wearing masks can help prevent the spread of communicable diseases.
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