Leishmaniasis is a tropical disease known in Europe because it affects dogs. It is caused by the Leishmania parasite carried by sandflies . However, several types of the parasite also affect humans in several regions in the world.

Visceral leishmaniasis, or Kala-Azar, is a tropical disease caused by several types of Leishmania parasites transmitted by sandflies.

Micronutrients are minerals and vitamins, such as iodine, iron, or vitamin A. Although ingested in tiny amounts, they are an essential part of our diet .