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Kala Azar

Topics covered:

Issues relating to development and management of Social Sector/Services relating to Health.

 

Kala Azar

What to study?

For prelims and mains: The disease, it’s causes, spread, symptoms and prevention.

Context: Study warns Kala azar patients can infect others even after treatment. Research showed that patients with the condition can be a source of infection for others in their community.

 

Background:

Kala-azar is endemic to the Indian subcontinent in 119 districts in four countries (Bangladesh, Bhutan, India and Nepal).

This disease is the second-largest parasitic killer in the world. Elimination is defined as reducing the annual incidence of Kala Azar (KA) to less than 1 case per 10,000 people at the sub-district level.

 

Kala-azar:

What is it? Visceral leishmaniasis (VL), also known as kala-azar, black fever, and Dumdum fever, is the most severe form of leishmaniasis and, without proper diagnosis and treatment, is associated with high fatality.

Spread: Caused by protozoan parasites of the Leishmania genus, migrates to the internal organs such as the liver, spleen (hence “visceral”), and bone marrow.

Signs and symptoms include fever, weight loss, fatigue, anemia, and substantial swelling of the liver and spleen.

 

Sources: the hindu.