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What is Healthandhygeine Class 9 about?

The document discusses various aspects of immunity, including types of immunity, phagocytosis, antibodies, and the role of vaccinations. It highlights common viral diseases such as AIDS, chicken pox, and hepatitis, detailing their transmission, symptoms, and treatments. Additionally, it outlines the main activities of the World Health Organisation (WHO) in disease management and public health initiatives.

Author

abhipsaray11

Language

EN