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Topic 01
Health and its failure
Ms. Jyoti Sharma
Topic 03
Diseases caused by microbes (Virus, Bacteria and Protozoans) and their prevention
Ms. Jyoti Sharma
Topic 05
Pulse Polio programmes
Ms. Jyoti Sharma
Topic 02
Infectious and Non-infectious diseases, their causes and manifestation
Ms. Jyoti Sharma
Topic 04
Principles of treatment and prevention
Ms. Jyoti Sharma
Class 9 Science
Chapter 13
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