The leishmaniases are a group of diseases triggered by protozoan parasites from greater than 20 Leishmania species. Most individuals who end up being contaminated with the parasite do not develop any symptoms during their lifetime. The term leishmaniasis refers to the condition of becoming sick due to a Leishmania infection, not to being infected with the parasite. An estimated 30 000 new cases of VL and more than 1 million new cases of CL occur each year. PKDL usually appears 6 months to 1 or more years after obvious cure of VL, yet it may occur earlier or perhaps simultaneously with VL, specifically in Sudan. There are numerous different forms of leishmaniasis. The cutaneous type causes skin sores. People with this form usually have fever, weight management, and an enlarged spleen and liver. It is very unlikely but feasible that you would get this disease in the United States. The finest way to avoid the disease is to secure yourself from sand fly attacks: Stay inside your home from sundown to dawn, when sand flies are one of the most active; Wear long pants and long-sleeved tee shirts when outside; Use bug repellent and bed internet as required. The World Health Organization estimates there are between 600,000 and 1 million new cases of cutaneous leishmaniasis and 50,000-70,000 new cases of visceral leishmaniasis worldwide annually. NIAID supports and performs leishmaniasis research to advance the understanding of all aspects of the disease, including the different species of disease-causing Leishmania parasites, the ranges and biology of sand flies that transmit the parasites to human beings and pets, and exactly how the host immune system replies to the infection.
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