Correct option is C
The correct answer is (c) Kala-azar
Kala-azar (also known as Visceral Leishmaniasis) is a disease caused by the protozoan parasite Leishmania donovani. It is transmitted to humans through the bite of infected female sandflies, primarily of the genus Phlebotomus.
Common Protozoan Diseases in Humans:
- Malaria: Caused by Plasmodium species, transmitted by Anopheles mosquitoes.
- Amoebiasis: Caused by Entamoeba histolytica, associated with contaminated food or water.
- Giardiasis: Caused by Giardia lamblia, affecting the intestines.
- Sleeping Sickness: Caused by Trypanosoma species, transmitted by the tsetse fly.
Prevention of Protozoan Diseases:
- Use of insect repellents and nets to prevent insect bites.
- Maintaining hygiene and ensuring safe drinking water.
- Early diagnosis and treatment using appropriate antiparasitic drugs.
Additional Information:
Influenza:
- Caused by viruses (Influenza viruses A, B, and C).
- It is not a protozoan disease but a viral infection.
Cholera:
- Caused by the bacterium Vibrio cholerae.
- It is a bacterial disease associated with contaminated water or food.
Typhoid:
- Caused by the bacterium Salmonella typhi.
- It is a bacterial infection transmitted through contaminated food or water.