Write about three communicable diseases and their causative agents, symptoms and methods of prevention.

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Solution

Communicable diseases- Microbial diseases that can spread from an infected person to other healthy persons through the air, water, physical contact, or animals are called communicable diseases.
S.NO DISEASE CAUSATIVE AGENTS SYMPTOMS METHODS OF PREVENTION
1. Tuberculosis Mycobacterium tuberculosis Fever, cough, blood in sputum, pain in the chest, fast pulse. BCG vaccination, standard medicines of tuberculosis.
2. Measles Rubeola virus Cold, cough, sneezing, headache followed by fever, red spots, rashes on the body and face. Proper nursing, complete rest, vaccination, and standard medicines.
3. Ringworm Trichophyton Ring-shaped patches on the skin, scalp, and nails that causes itching. Proper personal hygiene.

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S.NO	DISEASE	CAUSATIVE AGENTS	SYMPTOMS	METHODS OF PREVENTION
1.	Tuberculosis	Mycobacterium tuberculosis	Fever, cough, blood in sputum, pain in the chest, fast pulse.	BCG vaccination, standard medicines of tuberculosis.
2.	Measles	Rubeola virus	Cold, cough, sneezing, headache followed by fever, red spots, rashes on the body and face.	Proper nursing, complete rest, vaccination, and standard medicines.
3.	Ringworm	Trichophyton	Ring-shaped patches on the skin, scalp, and nails that causes itching.	Proper personal hygiene.