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Answer:
1)Many of the most prevalent and deadly human diseases are caused by a protozoan infection, including African Sleeping Sickness, amoebic dysentery, and malaria.
2)Elephantiasis refers to a parasitic infection that causes extreme swelling in the arms and legs. The disease is caused by the filarial worm, which is transmitted form human to human via the female mosquito when it takes a blood meal. The parasite
grows into an adult worm that lives in the lymphatic system of humans.
3)Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). They can exist as single cells, in pairs, chains or clusters.
4)Viral Diseases
Common cold...Influenza ...Measles...Rubella...Hepatitis A,B,C...Yellow Fever ,,,Dengue Fever
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Answer:
1. Protozoan causes Malaria, Giardia, and Toxoplasmosis
2. Parasites/Mosquitoes causes Intestinal Infections and Elephantiasis.
3. Bacteria causes Infectious disease, Cholera, Leprosy, Tuberculosis, Plague, Syphilis and Anthrax.
4. Bacteria causes common cold, hepatitis-B and Tuberculosis.